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

Minor headers styles in readme fix: increased line-height for h1..h4.

show rendered file if it is .markdown file

Fix bug: missing call to MergeRequest.find in Notify#changed_merge_request_email

Fixed a bug in the bundle exec rake db:migrate RAILS_ENV=production that...

Adding sudo before sudo rm -rf /tmp/gitolite-admin (privileges needed)

Add spec for ProtectedBranch.

Conflicts:
	Gemfile.lock

Updated gems. Specs all still pass. (Devise pinned to 1.x)

Add to schema.rb the increased MR text column size.

This change was made in a migration in commit 17a88bb6.
Because the schema.rb is checked in, the column size increase should
be here, too.

Pinned devise to the 1.x series for the moment. Going to 2.0 threw
deprecation warnings about:
* Devise.stateless_token= (append :token_auth to Devise.skip_session_storage instead)
* devise.registrations.reasons in yml (use devise.registrations.signed_up_but_REASON)

in /etc/init.d/gitlab, I add "-l" option in sh command