fix home button in settings not working on old android versions
move some variables to NConstants
implement fully Settings Activity and add cacheword vibrate setting as well
implement showLines setting
add initial Settings page skeleton, move the changeLockTimeout setting there
close mDb when dbhelper is closed to prevent 'Database wasn't closed properly' errors in later database openings
when there isn't a title, use the first 8 characters from the body to add one
when editing notes focus automatically on the body (last character) of the note
migrated NoteCipher to Loaders from StartManagingCursor in Activity
join note_edit and note_edit_image to one layout, clean code a tiny bit in NoteEdit.java
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