PIM-1348 : use single table inheritance to store variant groups
PIM-1239 : Create MediaManagerException and catch problems come from gaufrette
PIM-1239 : Display error message on view
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
PIM-1300 : add group type
PIM-1300 : add group type in group
PIM-1300 : add type column in group grid
PIM-1348 : add group type installer file and related data fixtures
PIM-1348 : move attribute group installer file
PIM-1348 : add basic group types
PIM-1348 : rename attribute group fixtures
PIM-1348 : rename attribute group and variant group expected files
PIM-1348 : refactor variant group to allow to import all kind of groups
PIM-1348 : remove old file and fixture
Merge branch 'master' into PIM-1348
PIM-1348 : update demo reference
PIM-1348 : add group type and fix variant group creation
PIM-1348 : fix variant scenario