fix problem with public transport enabler library
add Get Liberario section
allow collapsing of group with selection in networkpicker
infrastructure for favorite trips
ability to mark and unmark trips as favorites
swipe view with tabs and new favorite trips fragment
make favorite trips functional
add VgsProvider to factory
add German translation (thanks to Martin R.)
show changelog in new versions
properly separate menus between fragment and activity
added get app buttons and explanation for name
delete favorite trips with long click
show fav button also in trip list and ask for confirmation
added button for swaping locations
favourite trip list has now its own layout
show delays if they are reported
show ChangeLog in Holo Dark Theme
fixed little issues with swap location and network pick
show plattform where trains will arrive/depart