* remove unused method
* simplify gravatar_icon

Use ruby 1.9.3-p327 on travis-ci

Reload activities/events on the dashboard page via ajax

Update .gitignore

Most yml files are ignored in gitlab/config/, except resque.yml
=> add it to the list of ignored files.

Fixing request.fullpath URL encoding

fix exemple js data in help/web_hook

Fixes #2475

Fixes #2496