Removed apk's from .gitignore, added VulnCheck.apk
Pre-release fixes
Added some fixes.
Updated line numbers to reflect pre-release fixes
Added import for import android.view.WindowManager;
Moved DownloadHandler definition a bit.
More DownloadHandler improvements.
Fixed dependencies.
Fixed the lock screen problem.
Zapped a "hint" that was OBE.
Added more documentation for Executor thread pools.
adding out to gitignore