Plug connection leak from table_spec.rb

Closes #328
Plug connection leak from user_spec.rb

Closes #326
Drop connection lekas from permissions_controller_spec.rb
Merge pull request #536 from strk/user_leak

Plug connection leak from user_spec.rb
Merge pull request #535 from strk/table_leak

Plug connection leak from table_spec.rb
Merge pull request #541 from strk/permission_controller_leak

Drop connection lekas from permissions_controller_spec.rb
CDB-3238
Merge branch 'master' into CDB-3238
CDB-3238
Merge pull request #542 from CartoDB/CDB-3238

Tested at staging
Plug connection leaks in all specs
Merge pull request #544 from strk/leaks

Plug connection leaks in all specs
Do not create "the_geom" field at import time

Fixes forcing "polygon" spatial type, closes #547.
The "the_geom" field is still created later, at cartodbfication time.
Merge pull request #550 from strk/donot-force-polygon

Do not create "the_geom" field at import time
CDB-3222 - utms added for notification widget links
CDB-3232 - fixed problem replacing cartodb-popup v2 in html infowindow module
Merge pull request #554 from CartoDB/CDB-3222

Utms added for notification widget links
Merge pull request #553 from CartoDB/CDB-3232

Fixed problem replacing cartodb-popup v2 in html infowindow module
Shows cost of geocoding in red
Changes strong and color of the warning message