Remove unused field in database that broke WebBoard.
Finish removing deprecated fields
Remove test for deleted function
Remove unit test because functions are private now can't be tested
added metascheduler file
added One Host Pooling
added base files for OpenNebula Server
added field submitError in Job structure to hold message occured during submission
misc fixes in DeltaCloudServer
now OpenNebula support work. but lack of handling of process id and misc
fixed problem to passing job id and job output dir to deltacloud and opennebula backend
updated displayer
fixed vmid and vmip field in json object
updated TMS monitor
* deal with new model of job handling in cloud backends
* now consider jobs in undefined state, necessary notably when cloud  backends were not able to monitor the job
refactoring DeltacloudServer changing the semantic of job info in getJobState and getStartTime
JobServer*pp: adapt the semantic of job owner as well as job submission regarding the new model of job handling in cloud backends
added job in undefined state in ListJob
slave.cpp: just send the vmid when canceling cloud jobs
OpenNebulaServer: now work for submission, but ssh key handling is not yet sent with the contextualization data
now added ssh key defined by the environment CLOUD_VM_USER_KEY in the vm-root authorized_keys