Added ability to set a title for the console

Added seed value to the maze generator
Added a title lock to the console
Added a vconsole lock that locks on any virtual console change
Changed some of the locks used to free up

sysproc.c

@@ -131,12 +131,19 @@ int sys_screen(void)
     int result = 0;
     struct vconsole* consoleptr = 0;
     int bgcol;
-    if (argint(0, &bgcol) < 0)
+    char *title;
+
+    if (argint(1, &bgcol) < 0)
     {
         return -1;
     }
 
-    if ((consoleptr = newconsole(bgcol)) != 0)
+    if (argstr(0, &title) < 0)
+    {
+        return -1;
+    }
+
+    if ((consoleptr = newconsole(title, bgcol)) != 0)
     {   
         curproc->consoleptr = consoleptr;                
         switchtoconsole(consoleptr);