Bump gmaps library to 3.12
bump gmaps library to 3.12
Merge branch 'develop' of github.com:CartoDB/cartodb20 into develop

* 'develop' of github.com:CartoDB/cartodb20: (57 commits)
  embed window uses script ref #1733
  added script to serve embed map as a javascript file refs #1733
  Modify CDB_DigitSeparator tests to show usage with miXedCase identifiers
  new cartodb.js classes applied + embed map + public map + private map working
  fixed #1713
  fixed #1540
  changed the way of showing different types of paragraphs in the infowindows
  fixed a problem saving empty values in the edit feature fields dialog
  Rename Bins tests to be comply to convention and fix expected results
  Add CDB_DigitSeparator function
  Fixes scrollTo error
  Fix
  cdb submodule updated
  Removes old check_quota function before resetting the test_quota trigger
  Fixes a bug that prevented the testing of the field forms in certain situations (for example: adding just a letter in a number field)
  Avoid error when trying to remove legacy check_quota error
  Revert "re-enabled jensk refs #1596"
  new cdb changes + infowindow field handle only for column names
  new common submodule update
  fixed #1548
  ...