Enhanced Council. (#2407)

* first --unclean-- working version of locks and weight decay

* Refactor voter activity history.

* Tuning offset calculation and tests

* Remove print.

* Configurable decay ratio.

* Remove spaces.

* Name for activity.

* Fix some style

* Re-write voters as chunked map-vec.

* Adds panic todo.

* Fix some of the grumbles.

* Fix some of the grumbles.

* Chunked approvals vector.

* Introduce voter_index for set_approvas in favor of complexity.

* Add a bit more docs

* Add boolean approvals as scalar.

* Some cleanups TODO removes.

* enhance some error checking.

* No more double_map

* Combined voter info and fee.

* Fix global tests

* Bump.

* Fix line length

* Fix error message.

* Kill As<T>.

* Final fix.

* _Further_ kill As.

* Proper imbalance for fee.

* Bump.

* Fix spacing.

* Update

* Address grumbles.

* Line width.

substrate/node/runtime/src/lib.rs

@@ -182,9 +182,12 @@ impl council::Trait for Runtime {
 	type Event = Event;
 	type BadPresentation = ();
 	type BadReaper = ();
+	type BadVoterIndex = ();
+	type LoserCandidate = ();
 	type OnMembersChanged = CouncilMotions;
 }
 
+
 impl council::motions::Trait for Runtime {
 	type Origin = Origin;
 	type Proposal = Call;