Student tests was added
Recompile of modules needed.
 Changes to be committed:
	modified:   .gitignore
	deleted:    school-dao/.classpath
	deleted:    school-dao/.project
	modified:   school-dao/src/main/java/school/dao/StudentDao.java
	modified:   school-dao/src/main/java/school/dao/sessionfactory/implementation/StudentDaoImpl.java
	modified:   school-dao/src/test/java/school/dao/sessionfactory/implementation/GroupDaoImplTest.java
	new file:   school-dao/src/test/java/school/dao/sessionfactory/implementation/StudentDaoImplTest.java
	new file:   school-dao/src/test/resources/student.xml
	deleted:    school-model/.classpath
	deleted:    school-model/.project
	deleted:    school-model/.settings/org.eclipse.wst.common.component
	modified:   school-model/src/main/java/school/model/Student.java