Bugfixes

- Events section: show start event date
- e-mail, homepage and call buttons were broken on android
  due to the WebIntent plugin update
- Transport links were broken for the same reason
- Side menu bar css fix. On Android 2.3 the buttons were black.
- Community news were not shown due to the refactoring of the
  Home view and Home controller
Minor bugfixes

Search courses Faculty filters: added Architecture entry.

Usage agreement text grammar fixes and spelling.
Courses Search fix: filter by Professor was broken