Allows compiling of wxFred2 on *Nix machines. Includes niffiwan's autocools, fixes some referencing issues with button graphics, and includes graphics for the program and application icons.

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9829 387891d4-d844-0410-90c0-e4c51a9137d3
allow fade-in and fade-out with any color, not just black, white, and red

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9830 387891d4-d844-0410-90c0-e4c51a9137d3
remove bad use of memcpy by assigning player class using an actual assign() method

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9831 387891d4-d844-0410-90c0-e4c51a9137d3
remove bad use of memcpy by assigning player class using an actual assign() method (part 2)

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9832 387891d4-d844-0410-90c0-e4c51a9137d3
polymodel code now has basic class management in place and no longer uses memset

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9833 387891d4-d844-0410-90c0-e4c51a9137d3
turn hud_anim back into an actual struct

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9834 387891d4-d844-0410-90c0-e4c51a9137d3
Coverity CID 1099443: fix out of bounds access

git-svn-id: svn://svn.icculus.org/fs2open/trunk/fs2_open@9840 387891d4-d844-0410-90c0-e4c51a9137d3