Cleanup cf-consumer restart during daily maintenance

Read cf-consumer.pid to kill the parent cf-consumer process. This will automatically kill all the child processes - no need to match all cf-consumer processes and kill them one by one.

Redmine: 6303
Right... This appears to be a convention in all cfe_internal.. promises, which I followed for now. 

This provides no additional value in reports and can be removed from all variables and classes. Using meta-tags would be more appropriate IMO.