update translations
More prefs for crash reporting and tile detail to main settings screen
1176 Write stumbles to disk on low memory notification
#1176
Handle OS low memory notifications and call DataStorageManager saveCurrentReportsToDisk()
Added categories for preferences
Update strings.xml
Update strings.xml
Merge pull request #1254 from vinitraje/dev

Update Hindi & Marathi translations
Merge pull request #1253 from cascheberg/translations

Update translations
Merge pull request #1251 from garvankeeley/crashreport-and-tiledetail-to-prefscreen

More prefs for crash reporting and tile detail to main settings screen
Merge pull request #1252 from garvankeeley/1176-low-mem-handling

1176 Write stumbles to disk on low memory notification
Merge branch 'dev' into features/1191-merged

Conflicts:
	android/src/main/java/org/mozilla/mozstumbler/client/subactivities/DeveloperActivity.java
	android/src/main/res/layout/fragment_developer_options.xml