-Added Toddd's menu2 sound to the main menu buttons.

-Added Toddd's menu2 sound to the main menu buttons.
-Added a pragma to enable logicops in the menu.
-If a textswitch doesnt find a match, it now uses the first entry of the switch.
-Changed scmenu_debug_step to really step through the menu (not just calling
 m_hide): Set it to 1 to halt the menu system, set it to 2 to proceed 1 frame
 and then halt the menu system again.
-Some minor changes that give me 1 FPS more in DP �_�

git-svn-id: svn://svn.icculus.org/nexuiz/trunk@418 f962a42d-fe04-0410-a3ab-8c8b0445ebaa