submodules updated + new sprite icon generated
common submodule updated
Merge branch '2.1' of github.com:CartoDB/cartodb20 into 2.1
Merge branch '2.1' of github.com:CartoDB/cartodb20 into 2.1
first steps with Visualization model
Merge branch '2.1' of github.com:CartoDB/cartodb20 into 2.1