hope add and fix some function on cfg mod

1，auto detect no or memory card in wii ，if memory in wii then to use dios 
mios，if not ，then use nintendnont
2，support update online the latest nintendont version
3，fix download ocarina code problem。

What steps will reproduce the problem?
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What is the expected output? What do you see instead?

What version of the product are you using?

If its a problem with GC games, what DIOS MIOS (Lite) version is used?

If an exception occurs, please attach a picture of it.

Please attach the log file if possible (system->debug->save debug).

Please attach a syscheck if possible.

Please provide any additional information below.

Original issue reported on code.google.com by kavidwf@gmail.com on 28 Jun 2014 at 11:14

AveryEvans / cfg-loader-mod

hope add and fix some function on cfg mod #136