created enum for list data table property ids, made needed changes to other classes using the property ids
for GCP-6193
for GCP-6193
Merge branch 'master' of https://github.com/digitalabs/BreedingManager

Conflicts:
	src/main/java/org/generationcp/breeding/manager/application/Message.java
	src/main/java/org/generationcp/breeding/manager/listmanager/BuildNewListComponent.java