Support for external system notifications

Created by: gladky

Add support for DCS, WBM, DQM notifications. External notification sources: DCS, DQM, WBM

Steps

• protocol definition, sample messages from these systems
• contact persons to these systems (to ask to switch from doctor to expert)
• test in production at first or second MWGR#2 (March 1)
• test with sub-systems, before