Update Preferences Activity

How it looks - http://goo.gl/bu0ULT
Update Preferences Activity

How it looks - http://goo.gl/bu0ULT
Added cleanup and items calculation to UIBittorrentDownload.
Removed old AzureusBittorrentDownload.
More TODO:BITTORRENT.
Cleanup.
Cleanup.
Let see if this improve the gradle times.
More coding related to torrent download.
Gradle fix for debug target.
Using latest version of libraries and tools.
Disabled abi splits.
Merge pull request #1 from gubatron/pch

Pch - rebased with latest master commits
Merge pull request #125 from sssemil/pch

Update Preferences Activity
Restoring missing features.
Removing vuze code.
Coding new settings, still not tested.
Coded settings to use new bittorrent framework.
Deleted remaining vuze related code.
gradle and idea project fix.
Using build tools 21.0.2.