Add RC3 manifest

Change-Id: I744df96d1b20a76ca717ea16814049c505af9091
Add RC4 manifest

Change-Id: Ie11b88f0f820bdd67b81ee5d0e46e40a90b814e7
README: Fix broken URLs

Change-Id: Ie25ad7483cd55c398d6c9b8be3b8785754c31fa4
Add RC5 manifest

Change-Id: I9d069dd28f5096bf79efc5da9f43aebaea7ff796
Merge "README: Fix broken URLs" into cm-10.1
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android into cm-10.1