Did major cleanup, as Amanieu reccomended

Applied Semi Mark Fix (Issue 84)
Applied MediStation shove control (Issue 85)
Fixed g_modhumanstamina, now affects jums too (Issue 86)
Applied high turret angles (Issue 87)
Changed !demo to the PROPER adminchat flag (?)

ui/error.menu

@@ -1,103 +0,0 @@
-#include "ui/menudef.h"
-
-{
-  \\ ERROR \\
-
-  menuDef
-  {
-    name "error_popmenu"
-    visible 0
-    fullscreen 0
-    rect 158 80 320 320
-    focusColor 1 .75 0 1
-    style 1
-    border 1
-    popup
-    onClose { uiScript clearError }
-    onOpen { }
-    onESC
-    {
-      play "sound/misc/menu1.wav"; 
-      close error_popmenu;
-      open main
-    }
-
-
-    itemDef
-    {
-      name window
-      rect 10 15 300 320
-      style WINDOW_STYLE_FILLED
-      backcolor 0 0 0 1
-      visible 1
-      decoration
-
-      border WINDOW_BORDER_FULL
-      borderSize 1.0
-      borderColor 0.5 0.5 0.5 1
-    }
-
-    itemDef
-    {
-      name errorinfo
-      rect 0 50 320 20	
-      text "Error:"
-      textalign 1
-      textstyle 6
-      textscale .333
-      textalignx 160
-      textaligny 23
-      forecolor 1 1 1 1
-      visible 1
-      decoration
-    }
-    
-    itemDef
-    {
-      name errorinfo
-      rect 60 80 200 270
-      type ITEM_TYPE_TEXT
-      style 1
-      textstyle 3
-      autowrapped
-      cvar "com_errorMessage"
-      textalign ITEM_ALIGN_CENTER
-      textalignx 100
-      textaligny 23
-      textscale .25
-      forecolor 1 1 1 1
-      visible 1
-      decoration
-    }
-   
-
-    //	BUTTON	//
-
-
-    itemDef
-    {
-      name exit
-      text "Exit"
-      type 1
-      textscale .25
-      group grpControlbutton
-      type ITEM_TYPE_BUTTON
-      style WINDOW_STYLE_EMPTY
-      rect 138 295 45 26
-      textalign 1
-      textalignx 22
-      textaligny 20
-      forecolor 1 1 1 1
-      backcolor .37 .1 .1 1
-      visible 1
-      action
-      {
-        play "sound/misc/menu1.wav"; 
-        close error_popmenu;
-        open main
-      }
-    }
-  }
-}
-
-