Fix Mantis #2790, Easy options should be just that again.

git-svn-id: svn://svn.icculus.org/fs2open@10869 387891d4-d844-0410-90c0-e4c51a9137d3
some tweaks for improved cross-platform support

git-svn-id: svn://svn.icculus.org/fs2open@10870 387891d4-d844-0410-90c0-e4c51a9137d3