Change LetterSpacing method names so its not using the set/getLetterSpacing introduced in Android 5.0
add a fade-in animation to image loading
fix verison numbers
add @TargetApi for lint error
Merge pull request #429 from yate/android-5.0-quickfix

Android 5.0 quickfix
fix bug where rotating the screen in a thread will take you back to the board page
updates to readme