move log submission to new library

// FREEBIE

Closes #1655
add dependencies to BUILDING.md

// FREEBIE

Closes #1809
Use constant.

// FREEBIE

Closes #1988
Fix selection for hungarian

// FREEBIE

Closes #2025
Added l10n for message trimmer

//FREEBIE

Closes #2079
Closes #1868
Cleanup of unused strings in strings.xml

//FREEBIE

Closes #2139
Add Serbian language to the list

Closes #2008
merged  WhisperSystems/master