Tweaked garbage collector settings, it should be better for people who had huge lag spikes

git-svn-id: http://svn.net-core.org/repos/t-engine4@2754 51575b47-30f0-44d4-a5cc-537603b46e54

game/loader/pre-init.lua

@@ -27,6 +27,11 @@ else
 	print("LuaVM:", _VERSION)
 end
 
+-- Setup the GC
+collectgarbage("setpause",100)
+collectgarbage("setstepmul",400)
+collectgarbage("restart")
+
 -- Setup correct lua path
 package.path = "/?.lua"