Refactors Dashboard Router + Dashboard. (Fixes Vizzuality/cartodb-management/issues/2547)
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop

* 'develop' of github.com:CartoDB/cartodb20:
  Add rbenv local configuration file to .gitignore
  fixed test related with edit number class
  fixes vizzuality/cartodb-management#2529
  cdb updated
  fixed vizzuality/cartodb-management#2493