Social token unlinking
Unit test for unlinkFromFacebook
Update linkUserWithFacebook to GET
Merge branch '0.9.0-wip' into f/social-unlinking

Conflicts:
	test/spec/SpecHelper.js
	test/specs-jquery.html
Gigya unlinking
Unit test for unlink Gigya
Move helper methods around. Cleanup spec helper and create unit test helper
Merge pull request #39 from stackmob/f/social-unlinking

Social token unlinking