+ Added image for the NEC PC Engine/TurboGrafx 16/SuperGrafx. Thanks to
  Psychotic-Carp, the original author of the image.

     http://psychotic-carp.deviantart.com

+ Now the options can detect the changes done in the configuration dialog
  and store those changes on memory.

+ First steps done to the selection of the ROM files. The Kernel now
  can ask the user for a file and, after the the selection, can ask
  the PluginManager for the needed options.

+ The plugin manager now support the request of the Kernel to return the
  options of a file, based on the extention.