diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 56f1bb1..1b5e04b 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -1731,7 +1731,7 @@
     },
     "async": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
@@ -1844,7 +1844,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -1857,7 +1857,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -1888,7 +1888,7 @@
       "dependencies": {
         "@babel/code-frame": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz",
           "integrity": "sha512-cuAuTTIQ9RqcFRJ/Y8PvTh+paepNcaGxwQwjIDRWPXmzzyAeCO4KqS9ikMvq0MCbRk6GlYKwfzStrcP3/jSL8g==",
           "dev": true,
           "requires": {
@@ -1897,7 +1897,7 @@
         },
         "@babel/generator": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz",
           "integrity": "sha512-5xVb7hlhjGcdkKpMXgicAVgx8syK5VJz193k0i/0sLP6DzE6lRrU1K3B/rFefgdo9LPGMAOOOAWW4jycj07ShQ==",
           "dev": true,
           "requires": {
@@ -1910,7 +1910,7 @@
         },
         "@babel/helper-function-name": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz",
           "integrity": "sha512-MHRG2qZMKMFaBavX0LWpfZ2e+hLloT++N7rfM3DYOMUOGCD8cVjqZpwiL8a0bOX3IYcQev1ruciT0gdFFRTxzg==",
           "dev": true,
           "requires": {
@@ -1921,7 +1921,7 @@
         },
         "@babel/helper-get-function-arity": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz",
           "integrity": "sha512-w0YjWVwrM2HwP6/H3sEgrSQdkCaxppqFeJtAnB23pRiJB5E/O9Yp7JAAeWBl+gGEgmBFinnTyOv2RN7rcSmMiw==",
           "dev": true,
           "requires": {
@@ -1930,7 +1930,7 @@
         },
         "@babel/helper-split-export-declaration": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz",
           "integrity": "sha512-aQ7QowtkgKKzPGf0j6u77kBMdUFVBKNHw2p/3HX/POt5/oz8ec5cs0GwlgM8Hz7ui5EwJnzyfRmkNF1Nx1N7aA==",
           "dev": true,
           "requires": {
@@ -1939,7 +1939,7 @@
         },
         "@babel/highlight": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz",
           "integrity": "sha512-Il19yJvy7vMFm8AVAh6OZzaFoAd0hbkeMZiX3P5HGD+z7dyI7RzndHB0dg6Urh/VAFfHtpOIzDUSxmY6coyZWQ==",
           "dev": true,
           "requires": {
@@ -1950,7 +1950,7 @@
         },
         "@babel/template": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz",
           "integrity": "sha512-w750Sloq0UNifLx1rUqwfbnC6uSUk0mfwwgGRfdLiaUzfAOiH0tHJE6ILQIUi3KYkjiCDTskoIsnfqZvWLBDng==",
           "dev": true,
           "requires": {
@@ -1962,7 +1962,7 @@
         },
         "@babel/traverse": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz",
           "integrity": "sha512-UHuDz8ukQkJCDASKHf+oDt3FVUzFd+QYfuBIsiNu/4+/ix6pP/C+uQZJ6K1oEfbCMv/IKWbgDEh7fcsnIE5AtA==",
           "dev": true,
           "requires": {
@@ -1980,7 +1980,7 @@
         },
         "@babel/types": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz",
           "integrity": "sha512-5eTV4WRmqbaFM3v9gHAIljEQJU4Ssc6fxL61JN+Oe2ga/BwyjzjamwkCVVAQjHGuAX8i0BWo42dshL8eO5KfLQ==",
           "dev": true,
           "requires": {
@@ -1991,7 +1991,7 @@
         },
         "babylon": {
           "version": "7.0.0-beta.44",
-          "resolved": "http://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz",
           "integrity": "sha512-5Hlm13BJVAioCHpImtFqNOF2H3ieTOHd0fmFGMxOJ9jgeFqeAwsv3u5P5cR7CSeFrkgHsT19DgFJkHV0/Mcd8g==",
           "dev": true
         }
@@ -3689,7 +3689,7 @@
           "dependencies": {
             "pify": {
               "version": "2.3.0",
-              "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
               "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
               "dev": true
             }
@@ -3804,7 +3804,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
           "dev": true
         }
@@ -4086,9 +4086,9 @@
       "dev": true
     },
     "eventsource": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
-      "integrity": "sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.1.1.tgz",
+      "integrity": "sha512-qV5ZC0h7jYIAOhArFJgSfdyz6rALJyb270714o7ZtNnw2WSJ+eexhKtE0O8LYPRsHZHf2osHKZBxGPvm3kPkCA==",
       "dev": true,
       "requires": {
         "original": "^1.0.0"
@@ -4806,7 +4806,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -4819,7 +4819,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -5483,7 +5483,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -7080,7 +7080,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         }
@@ -7726,7 +7726,7 @@
       "dependencies": {
         "semver": {
           "version": "5.3.0",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
           "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
           "dev": true
         }
@@ -7832,7 +7832,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -7855,7 +7855,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -9307,7 +9307,7 @@
         },
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         },
@@ -9781,7 +9781,7 @@
         },
         "css-select": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
           "integrity": "sha1-KzoRBTnFNV8c2NMUYj6HCxIeyFg=",
           "dev": true,
           "requires": {
@@ -9803,7 +9803,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -10079,7 +10079,7 @@
         },
         "os-locale": {
           "version": "1.4.0",
-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
           "dev": true,
           "requires": {
@@ -10099,7 +10099,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -12252,7 +12252,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -12385,7 +12385,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {