Remove unused strings.
Do not translate Google Analytics string.
Remove actually unneeded strings.
Reorg strings, remove some duplicates.
Do not translate powered by strings.
Remove string duplicates.
Clean up ShareMethod, remove now unneeded string.
Remove unused auth screen layout, update auth title.
Unify close into dismiss.
Clean up MigrationActivity, only does importing now.

- Removed unused strings as well.
Drop duplicate 'Get X features' string.
Import latest German translation.

- Used onesky.