added luneos-root partition handling

Signed-off-by: Achim Königs <garfonso@mobo.info>
changed name from LuneOS to LuneOS (root)

now more in line with Android partition display names.

Signed-off-by: Achim Königs <garfonso@mobo.info>
Merge pull request #2 from Garfonso/master

added luneos-root partition handling