make RemoteMouse public, akin to RemoteKeyboard. Not sure why it wasn't made public when it was originally moved out of RWD.

All of this will likely need to be changed in the future though, when we move to using the w3c actions endpoint.

Fixes #1203

Author: lukeis

java/client/src/org/openqa/selenium/remote/RemoteMouse.java

@@ -28,7 +28,7 @@
 /**
  * Executes wire commands for mouse interaction.
  */
-class RemoteMouse implements Mouse {
+public class RemoteMouse implements Mouse {
   protected final ExecuteMethod executor;
 
   public RemoteMouse(ExecuteMethod executor) {