[mesecons] Add NOR and OR gates, and documentation

mods/mesecons/mesecons_luacontroller/doc/luacontroller/description.html

@@ -0,0 +1,5 @@
+The luacontroller is an advanced programmable component.
+You can simply code it in the language mesecons uses itself: Lua!
+All the code runs in a sandbox, so it's completely safe (but I won't guarantee that for absolute certainty!).
+
+<a href="http://mesecons.net/luacontroller/">Documentation is available here!</a>