Guard against fragment disappearing before callback.

// FREEBIE
Do thread trimming as JobManager job rather than AsyncTask.

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reorder window feature requests in MediaPreviewActivity

ActionBar is initialized in a different way by AppCompat v20 compared to
ABS or v21 even...
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fix for ringtone selection with android-support-v4-preferencefragment
Try to fix LGE menu button NPEs
fix based on https://code.google.com/p/android/issues/detail?id=78154

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Revert "Try to fix LGE menu button NPEs"

This reverts commit f3a3aaca6051b5ae464c026ff8d72e51a1d5a8a6.
compat actionbar bg for dark theme

// FREEBIE
Bump version to 2.3.2

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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