lnrpc+rpcserver+lncli: rename RPC fields to previous JSON name

lnrpc/rpc.proto

@@ -819,7 +819,7 @@ service Lightning {
 
 message Utxo {
     /// The type of address
-    AddressType type = 1;
+    AddressType address_type = 1;
 
     /// The address
     string address = 2;
@@ -2910,7 +2910,7 @@ message ChannelFeeReport {
     uint64 chan_id = 5 [jstype = JS_STRING];
 
     /// The channel that this fee report belongs to.
-    string chan_point = 1;
+    string channel_point = 1;
 
     /// The base fee charged regardless of the number of milli-satoshis sent.
     int64 base_fee_msat = 2;

lnrpc/rpc.swagger.json

@@ -2192,7 +2192,7 @@
           "format": "uint64",
           "description": "/ The short channel id that this fee report belongs to."
         },
-        "chan_point": {
+        "channel_point": {
           "type": "string",
           "description": "/ The channel that this fee report belongs to."
         },
@@ -4196,7 +4196,7 @@
     "lnrpcUtxo": {
       "type": "object",
       "properties": {
-        "type": {
+        "address_type": {
           "$ref": "#/definitions/lnrpcAddressType",
           "title": "/ The type of address"
         },