Implement authorization rule with constant quorums according to auth_map modification/extension made in scope of INDY-1728.
The current rules can be the same as before (see `auth_map.md`).
Modify applying of the rules stored in the auth_map according to changes made by INDY-1728 and INDY-1729
Sample configuration for multi-sig permissions
Support a strategy to specify per-cent of signers instead of absolute number
PoA: Modify and extend the auth_map structure to store the authorization rules for administrative actions
POA: Require multiple signatures for important transactions