Rename JoinRoom to RoomJoin.

src/actions/RoomActions.js

@@ -16,7 +16,7 @@ export default ({
             type: ROOM_JOIN,
             payload: room
         });
-        dispatch(SocketActions.send(ControlRequest.joinRoom(room)));
+        dispatch(SocketActions.send(ControlRequest.roomJoin(room)));
     },
 
     select: (room) => ({

src/reducers/rooms.js

@@ -45,7 +45,7 @@ const reduceRoomList = (old_rooms, room_list) => {
 
 const reduceReceiveMessage = (rooms, { variant, data }) => {
     switch (variant) {
-        case "JoinRoomResponse":
+        case "RoomJoinResponse":
         {
             const { room_name } = data;
             const room = rooms.get(room_name);

src/utils/ControlRequest.js

@@ -1,14 +1,14 @@
 export default {
-    joinRoom: (room) => ({
-        variant: "JoinRoomRequest",
-        fields: [room]
-    }),
-
     loginStatus: () => ({
         variant: "LoginStatusRequest",
         fields: []
     }),
 
+    roomJoin: (room) => ({
+        variant: "RoomJoinRequest",
+        fields: [room]
+    }),
+
     roomList: () => ({
         variant: "RoomListRequest",
         fields: []