Get everything working with API 21 and Material
Merge branch 'develop' into feature/lollipops-everywhere
Material and stuff part 1
Material and stuff part 2 (dialogs)
Material part 3 - RecyclerView!
Changing puzzle type enabling to a dialog;
also MATERIAL... not really
Material part 3.14 Pi: Fix spinner padding, switch to compat selectableItemBackground
Material part 4: stuff and stuffs. and things.
Material part 2^(3/2): Fixing selection, padding, icons
Switch to correct 87% opacity text color
Material Nav Drawer & 80 cols limit;
Pretty much all activities except for current and history are broken, so... yeah...
Nav drawer width according to Material Design spec
Fix action bar (Toolbar) for all Activities
Fix blank space in sessionlist when there's no graph
Fix updating of Spinner in action bar in Current
White-ish touch overlay for dark elements
Merge branch 'feature/lollipops-everywhere' into develop