Fix behat scenarios on variant group edit view
Fix delete variant group on edit view
Remove default sorting on variant products datagrid
Fix edit variant group behat scenario
PIM-1239 : Create MediaManagerException and catch problems come from gaufrette
PIM-1239 : Display error message on view
Do not use DB root user for application
Merge branch 'master' of github.com:akeneo/pim-community-dev
Merge pull request #379 from akeneo/PIM-1239

PIM-1239 Good work !
cache metadata should work now with our own audit implementation
Merge branch 'master' of github.com:akeneo/pim-community-dev
Merge branch 'master' into PIM-1348
PIM-1348 : update demo reference