Introduce treasury and document (#646)

* Introduce treasury and document

* Revert bad changes

* More reversions

* Add example crate

- Remove HasPublicAux
- Rename Concrete -> Runtime

* Actually commit stuff

* Changes

* Propagate block number in finalise.

* Fix and build example

* Fixes.

* Fix compilation for treasury.

* Fix the treasury test

* Tests

* Fix.

* Fix tests

* Fix a few grumbles

* Fixes

* Fix grumbles

substrate/Cargo.lock

@@ -2824,6 +2824,24 @@ dependencies = [
  "substrate-runtime-system 0.1.0",
 ]
 
+[[package]]
+name = "substrate-runtime-example"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.70 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.70 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-codec-derive 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-balances 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
 [[package]]
 name = "substrate-runtime-executive"
 version = "0.1.0"
@@ -2996,6 +3014,24 @@ dependencies = [
  "substrate-runtime-system 0.1.0",
 ]
 
+[[package]]
+name = "substrate-runtime-treasury"
+version = "0.1.0"
+dependencies = [
+ "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.70 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.70 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-codec 0.1.0",
+ "substrate-codec-derive 0.1.0",
+ "substrate-primitives 0.1.0",
+ "substrate-runtime-balances 0.1.0",
+ "substrate-runtime-io 0.1.0",
+ "substrate-runtime-primitives 0.1.0",
+ "substrate-runtime-std 0.1.0",
+ "substrate-runtime-support 0.1.0",
+ "substrate-runtime-system 0.1.0",
+]
+
 [[package]]
 name = "substrate-runtime-version"
 version = "0.1.0"