migrate nav panel items to actionbar

Fixes #1819
Closes #1839
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improve some content descriptions

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Merge pull request #1854 from mcginty/content-description

improve some content descriptions
apntool and ApnDatabase

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Avoid leaking cursor.

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Closes #1838
Updated language translations.

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prevent another cursor leak

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Merge pull request #1861 from mcginty/cursor-leak

prevent another cursor leak
use xstream for serializing
import stuff
xmlbackup correctness
rebase fixes
warning unnecessary
blacklists
functioning encrypted zip output
file sensibilities
NoNameCoder
protobuf wip
wip
refactor