getGroupByIdImplemented
Merge remote-tracking branch 'origin/develop' into feature/group-manager/GetGroupById
dont work
edited
group-manager + ui implemented
Merge remote-tracking branch 'origin/develop' into debug/group-manager

Conflicts:
	entity/src/main/java/com/softserveinc/ita/entity/Group.java
	group-manager/src/test/resources/group-manager-test-context.xml
	web-ui/pom.xml
	web-ui/src/main/java/com/softserveinc/ita/controller/MainPageController.java
group changed
edited
Merge pull request #72 from combats/debug/group-manager

Debug/group manager
merged with latest develop