improved OpenNebula-based job handling
refactoring: extract the intructions to store default job properties to a separated method
e: delete vm instead of stop
o: refactoring replace use of ofstream with vishnu::saveInFile
o: added more logging info in OpenNebulaServer
renamed getKvmTemplate to generateKvmTemplate
o: typo
added foundation for the metascheduler
refactoring: reduced variable scope
listed queue now list the cloud info
added service for metascheduler
the integration of the metascheduler now compile
code clean
removed unnecessary loggin in CMakeList.txt
improved vm template and added init.sh
updated templates
use input machine as metascheduler machine
changed id from int to string
misc changes
added hook for creating noVNC token