Support comp info param metadata and gzip json

src/comm/MockLink.cc

@@ -1529,7 +1529,7 @@ bool MockLink::_handleRequestMessage(const mavlink_command_long_t& request, bool
 void MockLink::_sendVersionMetaData(void)
 {
     mavlink_message_t   responseMsg;
-    char                metaDataURI[MAVLINK_MSG_COMPONENT_INFORMATION_FIELD_METADATA_URI_LEN]       = "mavlinkftp://version.json";
+    char                metaDataURI[MAVLINK_MSG_COMPONENT_INFORMATION_FIELD_METADATA_URI_LEN]       = "mavlinkftp://version.json.gz";
     char                translationURI[MAVLINK_MSG_COMPONENT_INFORMATION_FIELD_TRANSLATION_URI_LEN] = "";
 
     mavlink_msg_component_information_pack_chan(_vehicleSystemId,

src/comm/MockLinkFTP.cc

@@ -119,6 +119,10 @@ void MockLinkFTP::_openCommand(uint8_t senderSystemId, uint8_t senderComponentId
         tmpFilename = _createTestTempFile(sizeString.toInt());
     } else if (path == "/version.json") {
         tmpFilename = ":MockLink/Version.MetaData.json";
+    } else if (path == "/version.json.gz") {
+        tmpFilename = ":MockLink/Version.MetaData.json.gz";
+    } else if (path == "/parameter.json") {
+        tmpFilename = ":MockLink/Parameter.MetaData.json";
     }
 
     if (!tmpFilename.isEmpty()) {