gradle tools 1.0.0

// FREEBIE
refactor preferences into multiple PreferenceFragments
change textcolors
make "enter key sends" dependent on "enable enter key"
improve push registration behaviour
staying in preferences after enabling passphrase protection
invert the passphrase setting
"Incoming" with a capital I
load MmsPreferencesFragment without an Activity, add Summary
improve MMS settings strings
use android.R.string.cancel
add color variables
use switch() and throw AssertionError