squashed from jasonsanjose/travis-sprint-33
use master and release target branches to limit which branches travis will build
enable test task for master and release branches
Merge branch 'master' into jasonsanjose/squashed-cla-check

Conflicts:
	.travis.yml
Merge pull request #6759 from adobe/jasonsanjose/squashed-cla-check

Add CLA check to travis build