add clas
update documents regarding the licenses and clas
Update CONTRIBUTING.md
Merge tag 'v1.11'

[maven-release-plugin]  copy for tag v1.11
comment out gpg plugin
Update README.md

update the url of travis
Test for the ontology final_project_original that generates infinite
loop
Added comments in the test
Merge branch 'develop' into bugfix/dagLoop

Conflicts:
	pom.xml
Merge branch 'bugfix/dagLoop' into develop