Project related locales.
Merge pull request #71 from hfroemmel/devel

Started to style project views, updated the icon font.
Added staff, staff_months to project_infos

* Moved Project#staff_months to ProjectInfo#staff_months
* Added ProjectInfo#staff
* Project#start and Project#end is now Date
* Updated projects form
* Updated projects filter
Added ProjectSearcher
[Projects] Continued styling project related views.