g3: Clean up BoardConfig
g3: Remove dtbtool

* Use the CM variant in qcom/common instead.
g3: Remove libsensors
g3: Remove unused packages
g3: Clean up device makefile
g3: Remove default keylayout files

* These are provided by frameworks/base/data/keyboards
g3-common: Clean up proprietary file list
g3: Move initscript files to rootdir
Merge pull request #1 from intervigilium/cm-11.0

Getting changes from intervigilium