Remove workflow based config versioning

Turn off config versioning based on session and workflow management
Still uses Config::Versioned as backend and tracks the current head
but does not switch between version while normal execution.
A started daemon will always use HEAD.
Minor fix in Validator::Approval::Signature
Reinsert force dbi commit in workflow factory
Helper script for workflow migration
Automated result of workflow migration script for basic workflows
Fix parameter spelling in ui renderer
Adjust workflow names in webui qatest
Fix connector queries in server init
Fix workflow acl code
Replace Config::Versioned backend with Memory based Config::Merge

This patch completly drops the idea of config versioning and just loads
the current config from the plain yaml directory on each startup.
The laodcfg and reload command becomes ineffective.
Add some debug
Updated frontend code
Add some debug
Link yaml workflow names in ui
Cleanup prefix in csr yaml definition
Make mail field multi input in change meta workflow