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 '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 '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
Merged
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop

* 'develop' of github.com:CartoDB/cartodb.js:
  fixed setOpacity in leeaflet cartodb layer
  fixed wax.cartodb
Merge branch 'develop' of github.com:CartoDB/cartodb.js into develop

* 'develop' of github.com:CartoDB/cartodb.js:
  added padding to empty paragraphs