Update JCR configuration
Add unit test configuration file
	modified:   src/test/java/org/elearning/tests/LessonStorageTest.java
	modified:   src/test/resources/conf/portal/elearning.component.core.test.configuration.xml
	modified:   pom.xml
	modified:   src/main/resources/conf/portal/configuration.xml
	modified:   src/main/resources/conf/portal/repository-configuration.xml
	modified:   src/test/java/org/elearning/tests/GenericServiceTest.java
	src/test/resources/conf/portal/elearning.test.portal-configuration.xml
	src/test/resources/conf/portal/test-portal-configuration.xml

	modified:   pom.xml
	modified:   src/main/resources/conf/portal/configuration.xml
	modified:   src/main/resources/conf/portal/repository-configuration.xml
	modified:   src/test/java/org/elearning/tests/GenericServiceTest.java
	new file:   src/test/resources/conf/portal/elearning.test.portal-configuration.xml
	new file:   src/test/resources/conf/portal/test-portal-configuration.xml
Merge pull request #6 from tdan/master

Merge từ nhánh của Trung