Build loki from source

Change-Id: I8622be22f9e7b58dba976f0bf3d71d349eca4c5a
jflteatt: move loki to jf-common

Change-Id: I82ddaa284f964c44d5f22b557732903a49578bf8
Improvements to Loki support

Add a requirement for loki_flash to flash the modified
image instead of using dd.  This gives us the added security
of verifying the Loki header during flash to double check
loki_patch.

Change-Id: If5df72d4a02e04bac93d6d4626bbd57d3af3c371
jflteatt: inherit RIL used in qcom-common

Change-Id: Idf01432fa9a3dc575ee7bf1464d61d284c9aa720
Merge branch 'cm-10.1-att' into cm-10.1

Conflicts:
	BoardConfig.mk
	full_jfltedcm.mk
	loki/loki.sh
	loki/loki_patch
	releasetools.py