Refactoring: get rid of ruby antipattern unless/else and use if/else instead

Get rid of useless public/index.html (auto-generated file when new rails app was created)

Added force utf8 encoding

Use modified pygments.rb to allow dependency to rubypython 0.6

Use modified pygments.rb to allow dependency to rubypython 0.6.1 or above that fixes installation issues on some 64bit OSes like RHEL-based Scientific Linux 6.

Chosen 0.9.8 + Autocomplete contains

Bumped Chosen to 0.9.8 (latest) and added default option to allow autocompletes to find items containing entered text.

fix bug in mailer

Fix bug: Update Notify spec to use host set in config/gitlab.yml

Fixes failing tests introduced in pull request #824

View project pages without master branch

Spec Notify mailers

Update method to take ids and then perform #finds itself during mailer
queue worker kick-off.

Update method to take ids and then perform #finds itself during mailer
queue worker kick-off. Also, the faux SHA1 cannot have underscores or
it will not match the commit pattern defined in the routes.

Update method to take ids and then perform #finds itself during mailer
queue worker kick-off.

Update method to take ids and then perform #finds itself during mailer
queue worker kick-off.

#changed_merge_request_email was really sending emails about merge
request reassignments. Updated method name to reflect that.

Update method to take ids and then perform #finds itself during mailer
queue worker kick-off.

#changed_issue_email was really sending emails about issue reassignments.
Updated method name to reflect that.

Update method to take ids and then perform #finds itself during mailer
queue worker kick-off.

Covers new user, new issue and wall note emails.

Depends on email_spec (https://github.com/bmabey/email-spec/) for
friendly matchers.

CSS fix: main menu buttons dividers

Activity stream labels css fix