Add RC3 manifest

Change-Id: I744df96d1b20a76ca717ea16814049c505af9091
Add RC4 manifest

Change-Id: Ie11b88f0f820bdd67b81ee5d0e46e40a90b814e7
Merge branch 'cm-10.1' of github.com:CyanogenMod/android into cm-10.1