Merge pull request #11 from xcechack/master

mapping in PowerManager, PowerManagerImpl
Merge pull request #12 from xcechack/master

PowerManagerImpl: all methods implemented
Doplnena cast tridy ResidentServiceImpl
Doplnena cast tridy ResidentServiceImpl
Dodelana trida ResidentManagerImpl
GhostManagerImpl
House service layer
test package
powermanager unit tests