Merge branch 'release/staging' into develop
extracted cartocss editor from wizards tab
Fix
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
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop
added composite operations to wizards
added composite operations to wizards
added comp-op feature to news file