Create installer.sh

[ob-ivan]

The readme file provides an unambiguous step-by-step instruction on installing the tool. It can and should be as well expressed as an interactive or configurable installation script.

[ob-ivan]

1. Hardcode REPOSITORY to git@github.com:ob-ivan/dropbox-proxy.git and CODE_DIR to .
2. Configure project name.
3. Configure application folder or default to $CODE_DIR/$PROJECT.app
4. Configure storage folder or default to $CODE_DIR/$PROJECT.app/storage.
5. Do you want to install web proxy?
6. Configure web folder.
7. Do you want to install console utility?