roomservice: python3 support

Change-Id: I7621818ba7ed997676728fe865f37a25b3a5b8b5
Signed-off-by: Chirayu Desai <cdesai@cyanogenmod.org>
cout: move to $out

Change-Id: I3b5bf8a5f62dcdf267662bb97a2073150152cfa6
eat: get the proper MODVERSION

* The version in system/build.prop might be
  different than what the zip is named on incremental
  builds.
* Use CM_VERSION from the build system instead.

Change-Id: If4508921d8fd05219a2f358a2397a13b247065bd
Signed-off-by: Chirayu Desai <cdesai@cyanogenmod.org>
envsetup: use $(CURDIR) for getting current directory

Change-Id: I5f00faf64ec31d86dd2e48ec038748ce8499380b