modified:   database_service/src/main/java/org/elearning/storage/impl/JcrDataStorage.java
	renamed:    database_service/src/main/java/org/elearning/storage/Util.java -> database_service/src/main/java/org/elearning/storage/impl/Util.java
	deleted:    docs/.~lock.130618133022_360-JCR-for-Developers.pptx#