[Wii & GC] Dolphin Update

Dolphin SVN build 2018

* A lot of work been done on making njoy more enjoyable and stable
* Muli Pad plugin support is stable (you can use njoy and padsimple together).
* DSP_NULL been updated to work with wii games again
* Homebrew fixes
* Other bug/stability fixes

Dolphin SVN build 3009

Dolphin 2.0 Released

Today we release the first official version of Dolphin since the project went open source ~2 years ago!

Windows, Linux, and OS X builds are available in the Downloads section.
NOTE TO OS X USERS: The OS X build will be down until we get input working properly.