wxFred progress: GUI elements designed, organized code/wxfred2, work begun on main fred viewport.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9784 387891d4-d844-0410-90c0-e4c51a9137d3
wxFred2: whoops, forgot some resource files

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9785 387891d4-d844-0410-90c0-e4c51a9137d3