ParanoidOTA: Fix Changelog URL format

The current URL format only allows the changelog to be opened
with a web browser, this change allows it to be opened with Google+.

Change-Id: I76595df65edd6ba5d2fc3b8ad01025c4b8f1dead
Merge branch 'kitkat' of https://github.com/vedantgp/android_packages_apps_ParanoidOTA into kitkat
Merge pull request #9 from vedantgp/kitkat

VentureOTA: Fix Changelog URL format