adds migration
adds available_for_hire
adds banner classes
gets the email and the status of the hire flag
removes hire flag
adds banner for hire
invalidates cache when the available for hire flag changes
adds checkbox
fixes padding
Improved error handling and one fix in order to detect #1103 issues
Shallowing index renaming errors seems to be mandatory
Improved error message for a known error
Added some platform stats lib and superadmin
Add organization_id index in users table
updates common styles
Merge pull request #1129 from CartoDB/platform_stats

Added some platform stats lib and superadmin
vendorices cdb
Merge branch 'master' into 1039-available-for-hire-dialog
vendorices cdb
Improved existing tables handling and some fixes related to #1103