added client-side CORDS support, fixed up testing, refactored a bit, moved spinner outside of stampsdk scope
Merge branch 'master' of github.com:snowshoestamp/stampsdk-js

# By dotfury
# Via dotfury
* 'master' of github.com:snowshoestamp/stampsdk-js:
  Karma Test

Conflicts:
	gruntfile.js
	package.json