Tested adding ff to user
Don't save feature flags if user.save didn't work
Merge pull request #1590 from CartoDB/1589-Feature_flags_cannot_be_assigned_when_creating_an_user_from_the_admin

1589 feature flags cannot be assigned when creating an user from the admin
Fix #1573 by not setting default value and considering null as false
Force new user reload to make sure id gets read to fix #1589
Safer reload, avoiding save returning nil
Merge pull request #1593 from CartoDB/1573-6-Geocoding_error_batch_default_value

Fix #1573 by not setting default value and considering null as false
Merge pull request #1594 from CartoDB/1589-2-Feature_flags_cannot_be_assigned_when_creating_an_user_from_the_admin

1589 2 feature flags cannot be assigned when creating an user from the admin
#1592 Tests for visualizations, pending for tables
Increased timeout for importing process to begin
Merge pull request #1595 from CartoDB/1391-Import_successful_wrong_email

Increased timeout for importing process to begin
#1592 added tables spec
Remove transaction, it fails and it's no longer useful
Merge pull request #1596 from CartoDB/1573-7-Geocoding_error_transaction_no_longer_neccesary

Remove transaction, it fails and it's no longer useful
#1592 added shared filter
Merge pull request #1597 from CartoDB/issue-1592

Vis index API endpoint tests and new shared filter
Update NEWS.md
#1599
#1599
#1599