removes trace files, adds papers
Merge branch 'master' of github.com:kraxner/moliz-codegen

Conflicts:
	org.modelexecution.xmof.codegenerator.iml/xtend-gen/org/modelexecution/xmof/codegenerator/gen/.XMOFGenerator.java._trace
	org.modelexecution.xmof.codegenerator/xtend-gen/org/modelexecution/xmof/codegenerator/gen/.XMOFGenerator.java._trace