Added Service layer, WIP
Observer & listen in Connection.
BaseObjectMapTest refactored.
Temp removed composer.json
Refactored ConverterTest a bit.
Renamed Service to ModelLayer as in Pomm2.
Merge branch 'servicelayer'

Conflicts:
	composer.json
	tests/Pomm/Test/Object/BaseObjectMapTest.php
	tests/Pomm/Test/Tools/CreateBaseMapToolTest.php