change appearance preferences so only holo and new custom themes are accessible
remove old lxx themes and many of the drawables only used there (still a bunch left)
(internally) rename holo themes to match test in preferences: ICS -> HoloBlue, KLP -> HoloWhite to
remove settings fragments for custom input styles, secondary locale and dictionaries
remove related methods, strings and other resources
remove unused functions, mostly in RichInputMethodManager and LatinIME
address some lint warnings
* add language settings
* move to settings instead of language selection at end of setup wizard
* allow storing enabled subtypes in preferences
* make language selection and input method picker work with new system
* deal with weird issue of getSystemLocales returning inconsistent locales
* add details text to language settings
* make usused settings inaccessible
* better deal with "zz" subtypes, move hungarian (qwerty) from method.xml so a separate aditional subtype
* scrape some strings+translations from android system + latinime
* rename strings, add comment for unused string