Improves loader margin. Fixes html of the list
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop

* 'develop' of github.com:CartoDB/cartodb20:
  Reactivate missing tables removal
  Fixes error when trying to remove a table that don't exist on the user db
  Fixes error when removing tables with nil oids
  Revert "Backport ability for CSV loader to import the_geom / the_geom_webmercator in HEXEWKB"