cargomedia/CM — pull request #632 by njam (2014-01-26 23:04:41+00:00)
Title: Spinner in button instead of blocking overlay

http://lab.hakim.se/ladda/

@christopheschwyzer this would definitely be nice in a few places (sign in, sign up, rate etc), but probably not everywhere.
If you like the approach let's see how we can add this on the highest abstraction level possible.