extracted cartocss editor from wizards tab
Adds new route and public_tables page
Adds table styles
Adds real data
Adds more data and some sprites
Refreshes sprites
Improves mixins
removed unnused panel
added cartocss editor icon
icons pngs
Merge branch 'feature/split_cartocss_editor' into develop
Checks if the export is a post or a get, and use different method to retrieve the file
fixed bad referenced object
removed magic value
testability improved
export dialog tests
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop
Adds one more file to the default datasets test
Fixes the missing prj error on the importer

It wasn't possible to import shapefiles with spaces on their filenames because we were using mv to rename those files and it failed silently. Using FileUtils fixes the problem since it spects unescaped filenames.
removed memory leaks