fix build issues

libs/core/output.ts

@@ -749,9 +749,3 @@ namespace motors {
         control.dmesg('end step')
     }
 }
-
-
-interface Buffer {
-    [index: number]: number;
-    // rest defined in buffer.cpp
-}

libs/ev3/console.ts

@@ -44,7 +44,7 @@ namespace console._screen {
         printLog();
     }
 
-    function log(msg: string): void {    
+    function log(priority: ConsolePriority, msg: string): void {    
         lines.push(msg);
         if (lines.length + 5 > maxLines) {
             lines.splice(0, maxLines - lines.length);