#23 added unit-test for testing saving, updating, deleting Course entity
#23 added unit-test for testing saving, updating, deleting Course entity. Test fails because of problem with many to one annotation
Merge remote-tracking branch 'origin/master'

Conflicts:
	dao-impl/src/main/java/org/schooldesk/core/CourseCore.java
	dao-impl/src/main/java/org/schooldesk/core/CourseSectionCore.java
	dao-impl/src/main/java/org/schooldesk/dao/hibernateimpl/AbstractDao.java