Merge pull request #200 from Livefyre/rc

RC -> Master
lfcdn is a devDependency now. And use public git cuz its open
Use quotes so that strings with special characters are handled
Release 2.8.1
Merge pull request #207 from Livefyre/j_background_img_url

J background img url
Dep on auth ~0.0
Make LivefyreContentView tests pass by ensuring a logout delegate is passed in beforeEach
Merge pull request #210 from Livefyre/master

Updating RC to what's in master