added loader for infowindow content
changed that var for self
infowindow loading state specs added + some touches in infowindow.js
working again auto map positioning with embed maps
infowindow specs fixed + embed map adjust pan when infowindow finishes to load content
fixed comment typo in infowindow
comments and functions improved
more functions moved
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop