Adds protected embed
Moves the stylesheet to CartoDB
Adds form to the page
Merge branch 'master' into CDB-1302

* master: (362 commits)
  Reload User model schema on cartodb:db:setup task (fixes #259)
  Use a version-dependent backend killer command in spec helper
  Updated contributors on README
  Updated resque startup procedure on README
  CDB-1362 #comment Fix typo
  CDB-1362 #comment Ensure exceptions are rescued in User#update_gauge
  CDB-1362 #resolve Tables, Visualizations, DB sizes reporting
  fixed specs CDB-1497
  Added varnish PPA to README.md
  update table after georeference CDB-1497
  fixed saving previous wrong state CDB-1496
  Update cartodb.js
  Updated release notes (v2.8.1)
  Added release dates in the NEWS file (#314)
  Note about missing 2.7.0 release in NEWS.md
  CDB-1455 #resolves Only show one warning message when the user is close to the size & table limit
  Improve documentation about PostgreSQL configuration and node version
  Added visualization type to layers rake
  Added rescue to layers rake
  fixed category list when values are null CDB-1458
  ...
Restricts the stylesheet to just the embed
Moves the embed stylesheet to its own dir
Renames CSS
Changes the type of the input field
Merge CDB-1302 into release/2.10.0