Adds filters to the actions_menu
Allows to add filters from the column
Prevent adding basemaps without template
Merge branch '2.0' of github.com:CartoDB/cartodb20 into 2.0

* '2.0' of github.com:CartoDB/cartodb20:
  Destroy user client_application
  Monitor user creation/deletion
  Fixes error when importing csv with semicolons as field separators
Increases scroll timeout
Merge branch '2.0' of github.com:CartoDB/cartodb20 into 2.0

* '2.0' of github.com:CartoDB/cartodb20:
  Ensures table timestamps always get default values
  Fix
  Dump all base layers for the user when relocating
Adds send query button in the free text filters
Updates news.md with the new changes in filters
Changes placeholder test
Merged News.md