Used other group label option for unclassified attributes
Fixed displayed order of available attributes
Fixed option naming inconsistency
Make sure repository option is both repository and choices provider
Removed unnecessary use statement
Translated the Other group
Merge branch 'master' into bugfix/other-group

Conflicts:
	src/Pim/Bundle/EnrichBundle/Form/Type/AvailableAttributesType.php
Added missing use statement
Renamed other_group_label in default_group_label
Fixed scenarios after adding the comment attribute
Merge branch 'master' into bugfix/other-group
Merge pull request #748 from akeneo/bugfix/other-group

Display (and translate) "Other" group in the add available attributes widget