Replace lib/sql by the cartodb-postgresql submodule
Update cartodb-postgresql submodule
Fix quota enforcement on migration to cartodb-postgresql submodule

See https://github.com/CartoDB/cartodb/pull/441#issuecomment-42648865
CDB-2902 - added new dropbox filters .KML and .GPX + tests checked
CDB-2902 - changed dropbox and gdrive extension label text
CDB-2902 #resolve - added path of a Dropbox file in import service pane
CDB-2795 Added exception throwing if couldn't load template
Merge pull request #451 from CartoDB/CDB-2795
Merge pull request #450 from CartoDB/CDB-2902

Added dropbox path in import list + .KML and .GPX extension accepted
Update cartodb-postgresql submodule reference

 - Do not force creation of new roles (cdb_org_admin, cdb_org_user)
 - Forbid calling CDB_CartodbfyTable unless user quota is set
 - Check quota against value set by CDB_SetUserQuotaInBytes()
Merge pull request #441 from CartoDB/cartodb_extension

Merging to master after some staging testing
CDB-2904 #resolve - when a file is bigger than your import quota, it doesn't display the correct error message
Adds trial link
Adds hover
Fixes link utm and text
Update NEWS.md with 2.13.4
Merge pull request #452 from CartoDB/CDB-2904

When a file is bigger than your import quota, app doesn't display the correct error message
Merge pull request #454 from CartoDB/CDB-1631

Add "Start your free trial now" in the Vizz Privacy Selector
Merge remote-tracking branch 'origin/master' into CDB-1514