m7-common: move ueventd to m7-common, consolidate init scripts

Change-Id: I4d0ece803883687dd94a377ae74f69e088db64fd
m7-common: remove unused HTC entries from init.qcom.rc

Change-Id: I40a4a106af8d89af61df52a0437071a78c9add81
Merge "m7-common: move ueventd to m7-common, consolidate init scripts" into cm-10.1
Merge "m7-common: remove unused HTC entries from init.qcom.rc" into cm-10.1