change output to generate with PHP style namespaces
update tests to reflect php namespaces as output
update output to reflect php namespaces as expected by the tests
Merge branch 'master' of github.com:slbmeh/php-plantumlwriter into slbmeh-master

Conflicts:
	tests/Flagbit/Plantuml/TokenReflection/MethodWriterTest.php
Merge branch 'slbmeh-master' into namespacesep