LunaSysAPI: SystemService: add missing import for LunaNext.Compositor

Signed-off-by: Simon Busch <morphis@gravedo.de>
LunaSysAPI: do some sanity checking before applying display state

Signed-off-by: Simon Busch <morphis@gravedo.de>
statusbar: add telephony service indicators

Signed-off-by: Simon Busch <morphis@gravedo.de>
Merge pull request #70 from webOS-ports/morphis/work

Morphis/work