Android: fat presses, vibrator, onscreen keyboard, keep-screen-on, console scaling, touch-based console scrolling, additional bindables.

Some memory leaks fixed.
latency with the nq protocol over loopback is much reduced.
Terrain: now mostly a property of a (q1 for now) bsp map, file format changed, glsl now built in, terrain editor builtin improved/changed, holes supported.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4067 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/shaders/generatebuiltinsl.c

@@ -26,6 +26,7 @@ char shaders[][64] =
 	"postproc_panorama",
 	"rtlight",
 	"underwaterwarp",
+	"terrain",
 	""
 };