Revert "OBMFULL-5534 Configure CRaSH domain"

This reverts commit 6290790b6ec4318a93b21d4f15c0db8e52363623.
Revert "OBMFULL-5533 Admin authentication access points"

This reverts commit fb3afcc662169b7ac71ba3e3703ea4b8827b3c10.
Revert "OBMFULL-5533 Authenticate admin on a given domain"

This reverts commit 3e2557884e55325f5843023853487b1a074b5308.
Revert "OBMFULL-5533 Add admin flag in ObmUser"

This reverts commit 69ff02570b2a424621c3d567094bc0780d1fcbdc.
Revert "OBMFULL-5533 Expose domain_global in Obm domain"

This reverts commit 2ddcb5c7686931ddc37ddc144a8eaf00ddb44b69.
Revert "OBMFULL-5532 Authentication on global domain should be done thru the database only"

This reverts commit 489bb5b4e10e5690b070e5b99fed6643f4a2f351.
OBMFULL-5532 Authentication on global domain should be done thru the database only
OBMFULL-5533 Expose domain_global in Obm domain
OBMFULL-5533 Add admin flag in ObmUser
OBMFULL-5533 Authenticate admin on a given domain
OBMFULL-5533 Admin authentication access points
OBMFULL-5534 Configure CRaSH domain