reflection: initialize entity reflection only if needed
reflection: property type use reflections now
tests: fixed entity mapping test
reflection: fixed cycled entity relations & improved type validation
codestyle
travis.yml: added PHP 5.6 & e-mail notifications set to defaul & set max git depth because of build speed
composer.json: locked dependencies
rules and messages property path, nested entity validation
Support for options in m:map annotation and property reflection