Fixing request.fullpath URL encoding

Let's assume your path is = "project/tree/master/This%20Is%20valid"
In this case gitlab renders a 404.

To fix this we should decode the path so that it looks like
"project/tree/master/This Is valid"
a bit of restyling for issues and merge request lists
fix exemple js data in help/web_hook
sidekiq
A bit of spinach tests
email via sidekiq. start and stop rake tasks
sidekiq with green tests
set undefined features
spinach test: project services
Fixed tree logs for branches with slash. Fixed remember of path when switch branch
Merge pull request #2516 from jouve/fix_json_exemples_in_help

fix exemple js data in help/web_hook
Fix routing specs
Merge pull request #2484 from netdata/fix_url_encode

Fixing request.fullpath URL encoding
Rails upto 3.2.11
Merge branch 'sidekiq'
gitignore updates.

Most yml files are ignored in gitlab/config/, except resque.yml
=> add it to the list of ignored files.
Spinach: admin logs, admin users
Fix sidekiq chech and added script/check
Merge pull request #2527 from VonC/gitignore

Update .gitignore
Tests on EventFilters added