Target v2.0.12
Shows 'unique field' message in text filters. Fixes 'This column empty' message showing too early
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop

* 'develop' of github.com:CartoDB/cartodb20:
  Target v2.0.12
  Adjusts sql function loading log messages
  Sets sql log level to :debug
  Changes default log level to :info on production and staging
  Changes CartoDB logger format
  Set correct versions in NEWS.md
Default purge command change to 'purge'
fixes from staging
clean up staging hotfixes
Merge branch 'relocator_fixes' into develop
relocator fixes from staging
Fixes error when importing csv files with the_geom columns
Removes export specs
Removes some legacy code and fixes user spec
Fixes importer issues

* Run VACUUM FULL on the importer and check user quota after that. We cannot
  run this operation on the table model because VACUUM FULL doesn't play well
  when there are opened transactions.
* Process the_geom column on csv files (previously you had to rename it to geojson)
Sends the SQL query in the body with a PUT request
Stores the free_text filters + stores the list_view option + fixes specs
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop

* 'develop' of github.com:CartoDB/cartodb20:
  Fixes importer issues
  Removes some legacy code and fixes user spec
  Removes export specs
  Fixes error when importing csv files with the_geom columns
  relocator fixes from staging
  clean up staging hotfixes
  fixes from staging
  Default purge command change to 'purge'
Merge branch 'release/staging' into develop

Conflicts:
	app/assets/stylesheets/table/table_panel.css.scss
	app/models/user.rb
	lib/assets/javascripts/cartodb/models/filter.js
	lib/assets/javascripts/cartodb/table/menu_modules/filters/selection.js
	lib/assets/javascripts/cartodb/table/menu_modules/filters/templates/selection.jst.ejs
Solved conflicts in user model
Fixes error when importing xls files

XLS loader was crashing when trying to rename columns.

Upgrading roo solves the issue.
Fixes empty && only state
Takes the empty string into account in the selection filter