UI server refactoring (#5580)

* Full API in Authenticated WS server.

* Replacing UI server with Hyper.

* Solving CLI, RPCs and tests.

* Porting signer tests.

* Fixing origin recognition for dapps/rpc.

* Fixing tests. Adding parity-rpc-client to test.

* Dapps exposed as RPC method.

* JS code to support new connection scheme.

* Fixing dapps tests.

* Updating allowed origins/hosts to support web3.site.

* Fixing tests, fixing UI.

* Fixing tests.

* Removing invalid tests.

* Fixing merge.

* 404 fallback for UI

* Improve ContentFetcher constructor readability.

* Naming.

* Update .gitlab-ci.yml

fix CI lint error

* Fixing tests and linting issues.

* Fixing new tests.

* UI hosts.

* Submodules fix.

js/src/api/rpc/parity/parity.js

@@ -90,15 +90,14 @@ export default class Parity {
       .execute('parity_consensusCapability');
   }
 
-  dappsPort () {
+  dappsList () {
     return this._transport
-      .execute('parity_dappsPort')
-      .then(outNumber);
+      .execute('parity_dappsList');
   }
 
-  dappsInterface () {
+  dappsUrl () {
     return this._transport
-      .execute('parity_dappsInterface');
+      .execute('parity_dappsUrl');
   }
 
   decryptMessage (address, data) {
@@ -530,12 +529,6 @@ export default class Parity {
       .execute('parity_setVaultMeta', vaultName, JSON.stringify(meta));
   }
 
-  signerPort () {
-    return this._transport
-      .execute('parity_signerPort')
-      .then(outNumber);
-  }
-
   signMessage (address, password, messageHash) {
     return this._transport
       .execute('parity_signMessage', inAddress(address), password, inHex(messageHash));
@@ -567,4 +560,9 @@ export default class Parity {
     return this._transport
       .execute('parity_versionInfo');
   }
+
+  wsUrl () {
+    return this._transport
+      .execute('parity_wsUrl');
+  }
 }