Cutting out category now will properly display warning if there are test
cases/constraints related.
Added isPartitionMentioned and isCategoryMentioned methods in
MethodNode.
Added isPartitionMentioned and isCategoryMentioned methods in
MethodNode.
Added RemovePartition and RemovePartitions to abstract layer.
Renamed methods and finished covering gui in warnings for now.
Merge branch 'dev-abstract_models' of https://github.com/testify-no/ecFeed.git into dev-abstract_models