Minor cleanup.

// FREEBIE
Move directory refresh from a service over to a job.

// FREEBIE
Move JobManager to external project and dependency.

// FREEBIE
Display 'me' for device's local number in group membership list.

// FREEBIE

Fixes #1494
Closes #1505
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
Use "sms_body" extra from Intent

Closes #2071
Fix notification display order.

Messages in notifications were showing in reverse order,
that is newest on top instead of newest at the bottom making
multiple messages hard to read.

Closes #1984
path changed: library -> libaxolotl
Merge pull request #2166 from agrajaghh/building.md_ndk_path

Building.md: library -> libaxolotl