Reduced the Minimum required OS version to 10.6.8.
Always terminate app in case of Update requirement.
Made 10.6.8 the minimum target for all configurations.
changed the fall back URL to Apple Upgrade OSX page.
Merge branch 'master' into AppStoreReleasev2

Conflicts:
	MacGap/AppDelegate.m
	MacGap/MacGap-Info.plist
	Talk.to.entitlements
Merge conflict resolution and change of the App URL to be loaded.