PreferenceSet refactoring
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
PreferenceSet.Reloader (in progress)
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2
PreferenceSet.Reloader usages
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into yota2