Added keywords to desktop file for easier searching on ubuntu touch
Added button to close backend dialog
Use colors sparingly like Green button to emphasize positive actions
Fixed reference to invalid timetable tools and set page title to Departures or Arrivals instead of redundant static title Results in timetable results page
Merge pull request #140 from krnekhelesh/update-desktop-file

[Ubuntu Touch UI] Fixes 4 minors things