Update issue #124 : Improvements to media type select dialog
Added checkboxes for major/sub/format type and sample size to allow partial media type use.
Added column for media type index (as returned by pin)
Added extra precision to average bits per pixel to make scan line padding more obvious.


git-svn-id: http://graph-studio-next.googlecode.com/svn/trunk@185 c2f33eb2-41b2-391d-4cb4-d9d0608729ba