Fix comment links
Update cache key for projects nav fragment
Select how many tasks per page
Merge pull request #9 from peccata/tasks-per-page

Select how many tasks per page
Test against ruby-head on Travis
Use .ruby-version and test against 1.9.3
Use vertical bar in the title
Refactor tasks_per_page usage
Add users API
Merge pull request #10 from Hauptstimme/feature/api

Add users API
Upgrade to Rails 4.0.2
Add milestone views and due date
Merge branch 'master' into feature/milestones