Changed order of actionbar buttons
String constants for preference keys
Removed old constants file
Bump to version 0.2
Added listener interface with correct lifecycle management
New method call for former static method
Added new list preference for selecting color palette
Added strings for the new color palette preference
Available color palettes
Code cleanup
Implementation of the palette change setting
Added toast message after selecting a new color palette
Color buttons changed to round rings with a click effect
Extended win dialog
Added todo list