Add verlet vector
Merge branch 'hotfix/fix-typo-in-verlet' into develop
Add option for test to return exit code 1 if tests fail
Install nme first on travis, to try to prevent failures
Merge branch 'master' into feature/vector

Conflicts:
	test/TestSuite.hx
Fix typo in word verlet
Add constrain to vector
Merge branch 'feature/vector' into develop
Merge pull request #1 from mlopes/develop

Develop