Fix MD5Sum downloading

Change-Id: I5d130224ae3845373ff6165e6c984fcf1473de48
Fix app name used in notifications

Change-Id: Ibbcb0484b400c1c13a874807f61f78e4e3f7bcc7
the .zip.md5 file contains the zip name, so match md5 with startsWith instead of equals

Change-Id: I43fd2d7d79bbd1732cb0bf110583f1973185384e