Create new EE2_CONCIERGE,EE2_FULL_SERVICE roles

[bio-boris]

Create new user roles in order to have access to add the following attributes to run_job:
request_cpus,
request_disk,
request_memory,
request_cgroup,
request_staging_dir,
request_job_prio,

[bio-boris]

• Allow ability to mount other user's staging areas

[mergeable]

This is old. Is it still relevant?

[bio-boris]

#202