PIM-838 : Add behat scenario to test message when there is unsaved changes
PIM-838 : Add unsaved changes behavior to variant-group
PIM-838 : Add behat scenario for unsaved changes features
Merge branch 'master' of github.com:akeneo/pim-community-dev

Conflicts:
	features/Context/Page/Base/Base.php
	features/variant-group/edit_variant.feature
Merge pull request #344 from akeneo/PIM-838

PIM-838 : Add behat scenario to test message when there is unsaved changes