copyright & javascript:

1) Remove indirect JavaScript dependency
2) Add javascript extension point implementation
3) Provide the copyright actions for jsx, es6, ts files

plugins/copyright/src/com/maddyhome/idea/copyright/util/FileTypeUtil.java

@@ -315,9 +315,6 @@ public class FileTypeUtil {
       if (type.equals(StdFileTypes.PROPERTIES)) {
         return true;
       }
-      if ("JavaScript".equals(type.getName())) {
-        return true;
-      }
       return CopyrightUpdaters.INSTANCE.forFileType(type) != null;
     }
   }