added backuping init backend script +tomcat conf + db logging with records 1 day old
Frontend: ManagableDataUnit.load is called when the data unit is created
Merge branch 'feature/246_downloadRdf' into feature/virtuoso

Conflicts:
	frontend/src/main/java/cz/cuni/mff/xrg/odcs/frontend/container/rdf/RDFQuery.java
Removed master project from build process, to speed up build
Fixed encoding for pom.xml
Master projet removed from build sequence
Merge branch 'feature/246_downloadRdf' into feature/virtuoso