"eslint-config-rallycoding" doesn't yet support v6.x of "jsx-a11y/label-has-for" plugin

[kamiranoff]

Hi Stephen.
Big fan.

I open this issue because I was not able to turn off the error my IDE was throwing.
It is related to that issue I open on stackoverflow:
https://stackoverflow.com/questions/51156409/webstrom-eslint-jsx-a11y-label-has-for-is-invalid/51158118#51158118

[kamiranoff]

Oh, ok I think that PR fixes it: #3