Cleanup for venturi_usa and prepare for buildbot.

Change-Id: Ia00cb0a895bf396dd3b5519f917298146a75ab61
jfltecan: fix dependencies file

Change-Id: I651f2f978e26078cc2d10c06c45fe84aae01ec9c
Update the jfltecan (Galaxy S 4 Canadian) configs and make the required files for other version of the Galaxy S 4.

Future Galaxy S 4 variants should use "pa_jfltexxx" for OVERLAY_TARGET and "jfltexxx" for AOKP device overlay.

Change-Id: If8f7987834eb822cfc06b06552e641ee9c920cbe
Fix jfltecan.dependencies

Change-Id: I9dd982a07170ce0785c759c7a0e3d912d61c96ba
Support for Galaxy S4 ATT (jflteatt)

Change-Id: I736d64c8e3f59ca95cb0f28f38d61de7787f8260
Support for Sprint and Verizon variants of SG 4

Change-Id: Ia0d119b12ba8257f646324d190d8d575df5be630
Update contributor.mkdn

Original Pull Request : https://github.com/PAC-man/android_vendor_cm/pull/9
Thanks berni987654321 For Updating

Change-Id: I4af7c111e955d6c1538625740cf23f29088180ab