add cp / copy commands

from @sempervictus

Author: Brent Cook

lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/fs.rb

@@ -243,15 +243,27 @@ def cmd_mv(*args)
                         print_line("Usage: mv oldfile newfile")
                         return true
                 end
-
                 client.fs.file.mv(args[0],args[1])
-
                 return true
         end
 
         alias :cmd_move :cmd_mv
   alias :cmd_rename :cmd_mv
 
+  #
+  # Move source to destination
+  #
+  def cmd_cp(*args)
+    if (args.length < 2)
+      print_line("Usage: cp oldfile newfile")
+      return true
+    end
+    client.fs.file.cp(args[0],args[1])
+    return true
+  end
+
+  alias :cmd_copy :cmd_cp
+
 
   def cmd_download_help
     print_line("Usage: download [options] src1 src2 src3 ... destination")