Upgrades to 0.4.0 cartodb postgresql extension version
CDB-4010
Merge pull request #733 from CartoDB/CDB-4010

CDB-4010
Added db host to pool connection id
Encoding fix for Twitter
CDB-4020
Merge pull request #734 from CartoDB/CDB-4020

CDB-4020
CDB-4020
Added mixpanel event for failed and completed imports and creations
Merge pull request #735 from CartoDB/CDB-4020

CDB-4020
first steps for new table attributes title, source and license
CDB-4021
fixed metadata dialog specs
CDB-4017
Merge branch 'CDB-4017' of https://github.com/CartoDB/cartodb into CDB-4017
Merge pull request #738 from CartoDB/CDB-4021

CDB-4021
Merge pull request #736 from CartoDB/CDB-4018

Added mixpanel event for failed and completed imports and creations
CDB-4017 specs stabilization
CDB-4006
CDB-4017 specs stabilization II