avoid trying to use Joystick on Mac

git-svn-id: http://vtp.googlecode.com/svn/trunk@7821 2ba57974-ef2e-0410-970c-f3cb55f6a86a
add #include stats.xpm for non-WIN32

git-svn-id: http://vtp.googlecode.com/svn/trunk@7822 2ba57974-ef2e-0410-970c-f3cb55f6a86a
fix glutSimple compile

git-svn-id: http://vtp.googlecode.com/svn/trunk@7823 2ba57974-ef2e-0410-970c-f3cb55f6a86a
fix const in AddLineMesh

git-svn-id: http://vtp.googlecode.com/svn/trunk@7824 2ba57974-ef2e-0410-970c-f3cb55f6a86a
Removing some Mac #ifdefs around the OpenGL code; hopefully wx2.9.4 on Mac is now similar enough to the other platforms that we won't need them.

git-svn-id: http://vtp.googlecode.com/svn/trunk@7825 2ba57974-ef2e-0410-970c-f3cb55f6a86a
More Mac fixes.

git-svn-id: http://vtp.googlecode.com/svn/trunk@7826 2ba57974-ef2e-0410-970c-f3cb55f6a86a
More work on elevation layers / Tin3d materials (not working yet), and dozens of little compile fixes and warning suppression for Mac.

git-svn-id: http://vtp.googlecode.com/svn/trunk@7827 2ba57974-ef2e-0410-970c-f3cb55f6a86a
Create README.md