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

@@ -0,0 +1,71 @@
+[relaychain]
+default_command = "./bin/polkadot"
+default_args = [ "-lparachain=debug", "-lxcm=trace" ]
+chain = "kusama-local"
+
+    [[relaychain.nodes]]
+    name = "alice"
+    ws_port = 9900
+    validator = true
+    args = ["--state-cache-size=0"]
+
+    [[relaychain.nodes]]
+    name = "bob"
+    ws_port = 9901
+    validator = true
+
+    [[relaychain.nodes]]
+    name = "charlie"
+    ws_port = 9902
+    validator = true
+
+    [[relaychain.nodes]]
+    name = "dave"
+    ws_port = 9903
+    validator = true
+
+[[parachains]]
+id = 1000
+chain = "asset-hub-kusama-local"
+cumulus_based = true
+
+    [[parachains.collators]]
+    name = "collator1"
+    ws_port = 9910
+    command = "./bin/polkadot-parachain"
+    args = [ "-lxcm=trace", "--state-cache-size=0" ]
+
+    [[parachains.collators]]
+    name = "collator2"
+    ws_port = 9911
+    command = "./bin/polkadot-parachain"
+    args = [ "-lxcm=trace" ]
+
+[[parachains]]
+id = 2000
+chain = "penpal-kusama-2000"
+cumulus_based = true
+
+    [[parachains.collators]]
+    name = "collator3"
+    ws_port = 9920
+    command = "./bin/polkadot-parachain"
+    args = [ "-lxcm=trace", "--state-cache-size=0" ]
+
+    [[parachains.collators]]
+    name = "collator4"
+    ws_port = 9921
+    command = "./bin/polkadot-parachain"
+    args = [ "-lxcm=trace" ]
+
+# [[hrmpChannels]]
+#   sender = 1000
+#   recipient = 2000
+#   maxCapacity = 8
+#   maxMessageSize = 8192
+
+# [[hrmpChannels]]
+#   sender = 2000
+#   recipient = 1000
+#   maxCapacity = 8
+#   maxMessageSize = 8192