work on qualifiers
Merge branch 'master' of github.com:pietermartin/umlg

Conflicts:
	framework/java-generation/src/main/java/org/umlg/javageneration/visitor/property/QualifierVisitor.java
	test/blueprints/umlg-test-blueprints-tests/src/main/java/org/umlg/tests/qualifiertest/TestQualifiedOnMultipleProperties.java
	test/blueprints/umlg-test-blueprints-tests/src/main/java/org/umlg/tests/qualifiertest/TestQualifierOnManyToMany.java