users controller change preventing error when vis is nil
CDB-3474 - using the same header for all public views
Merge branch 'master' into CDB-3474
Tests for renaming not failing when index renaming fails
enabled clone button for public map view
Merge pull request #569 from CartoDB/CDB-3474

CDB 3474
fixed buttons enabled when table is unsync CDB-3485
CDB-3476 + CDB-3471 #resolve - problem with table tags in dashboard view fixed
Merge pull request #571 from CartoDB/upgrade_cartodb_extension

Uses CartoDB Postgresql extension version 0.3.0
Merge pull request #570 from CartoDB/importer_tests

Tests for renaming not failing when index renaming fails
changed checked for privacy function in header view
CDB-3490 #resolve - creating a visualization from a shared table, privacy settings behavious fixed
Merge pull request #572 from CartoDB/CDB-3485

fixed buttons enabled when table is unsync CDB-3485
properly indented permission function
fixed problems deleting a column CDB-3489
Merge pull request #573 from CartoDB/CDB-3489

fixed problems deleting a column CDB-3489
Merge pull request #574 from CartoDB/CDB-3490

Create a visualization from a shared table (with write permissions), can allow to change privacy settings
fixed embed maps with public tables form other users CDB-3496
Merge pull request #575 from CartoDB/CDB-3476

Problem with table tags in dashboard view fixed
Merge pull request #576 from CartoDB/CDB-3496

fixed embed maps with public tables form other users CDB-3496