Merge branch 'release/2.0.15'
Adds shadow to the infowindow
Adds underline to help link
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop

* 'develop' of github.com:CartoDB/cartodb.js:
  fixed release date in NEWS file
  dist files
  updated news file
  bump version 2.0.17
  updated news file
  fixed #25
  dist files
  fixed #24
  fixed query economy. lovely query plugins
  removed temporally file
  dist files
  leaflet 0.5 -> 0.5.1
  leaflet 0.5
  added infowindow option documentation
Merge branch 'release/2.0.18'
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop

* 'develop' of github.com:CartoDB/cartodb.js:
  dist files for 2.0.18
  updated news file
  bump version to 2.0.18
  dist files
  added removeTabs to TabPane
  fixed problem when leaflet is loaded externally
  added a loader to the search component
  cutting off header title and description
Merge branch 'release/2.0.20' into develop
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop

* 'develop' of github.com:CartoDB/cartodb.js:
  dist files
  updated news
  updated leaflet
  bump version 2.0.20
  dist files
  updated news file
  bump version to 2.0.19
  updated leaflet with cartodb branch
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
improved table rendering time
comments and functions improved
more functions moved
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop
leaflet 0.5 + IE7/8 opacity fix
removed unncessary css from dark theme