Removed apk's from .gitignore, added VulnCheck.apk
Merge pull request #76 from mitchellgordon95/master

Removed apk's from .gitignore, added VulnCheck.apk
Pre-release fixes
Merge pull request #82 from mitchellgordon95/master

Pre-release fixes
Added some fixes.
Updated line numbers to reflect pre-release fixes
Merge pull request #84 from mitchellgordon95/master

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.
Added new ACronymApplication.
Added new assignment.
Fixed AndroidManifest.xml bug.
Fixed the appname.
Some fixes reported by students.
fixed androidmanifest.xml header.