Merge pull request #39 from jessi3py/bugzilla/821578

Bug 821578 - Part 2: support data call with multiple APN in hardware/ril...
Bug 861725 - Part 1: Support RIL_REQUEST_QUERY_CALL_FORWARD_STATUS. r=vicamo
Bug 861725 - Part 2: Support RIL_REQUEST_SET_CALL_FORWARD. r=vicamo