Merge pull request #300 from danielhass/master

Replaced Toast with AppMsg in DecryptActivity
Fix for #266

-Extra: Added the appropriate images to drawable folder from Android SDK
source, can be used as alternative if required.
Removed Thumbs.db,added to gitignore
Final fix for #266

-Fix implemented using setIcon() as setIconAttribute() is not valid for
API less than 11
Merge pull request #303 from hav3n/branch-fix-icon

Fix for #266