Change minSdkVersion to 10
Add Alpha* subclasses for views
Change activities and layouts to use custom views
Fix a typo, and rename customSetAlpha to override setAlpha. On Android
API 10, text color is white is many places where it shouldn't, and
SettingsActivity fails to start because of something that looks like
https://github.com/roboguice/roboguice/issues/117 . Solution is to
disable injection on SettingsActivity