Rename Statemint to Asset Hub (#2633)

* change dir names

* cargo toml updates

* fix crate imports for build

* change chain spec names and PR review rule

* update cli to accept asset-hub

* find/replace benchmark commands

* integration tests

* bridges docs

* more integration tests

* AuraId

* other statemint tidying

* rename statemint mod

* chain spec mod

* rename e2e test dirs

* one more Runtime::Statemine

* benchmark westmint

* rename chain spec name and id

* rename chain spec files

* more tidying in scripts/docs/tests

* rename old dir if exists

* Force people to manually do the move.

(Safer as there could be additional considerations with their setup)

* review touchups

* more renaming

* Update polkadot-parachain/src/command.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* better error message

* do not break on-chain spec_name

* log info message that path has been renamed

* better penpal docs

---------

Co-authored-by: gilescope <gilescope@gmail.com>
Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: parity-processbot <>

cumulus/parachains/integration-tests/e2e/assets/asset-hub-kusama/config.toml

@@ -26,7 +26,7 @@ chain = "kusama-local"
 
 [[parachains]]
 id = 1000
-chain = "statemine-local"
+chain = "asset-hub-kusama-local"
 cumulus_based = true
 
     [[parachains.collators]]

cumulus/parachains/integration-tests/e2e/assets/asset-hub-polkadot/config.toml

@@ -26,7 +26,7 @@ chain = "polkadot-local"
 
 [[parachains]]
 id = 1000
-chain = "statemint-local"
+chain = "asset-hub-polkadot-local"
 cumulus_based = true
 
     [[parachains.collators]]