[Lua] Removed generation of _wrap_delete_XXXXX (wrappered destructor) which was unused and causing warning with g++ -Wall.

Removed other unused warning in typemaps.i and other places.
Added Examples/lua/embed3, and run tests a few test cases.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10402 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/lua/embed3/runme.lua

@@ -0,0 +1,35 @@
+print "[lua] This is runme.lua"
+-- test program for embeded lua
+-- we do not need to load the library, as it was already in the intrepreter
+-- but lets check anyway
+
+assert(type(example)=='table',"Don't appear to have loaded the example module. Do not run this file directly, run the embed3 executable")
+
+print "[lua] looking to see if we have a pointer to the engine"
+if type(pEngine)=="userdata" then
+    print "[lua] looks good"
+else
+    print "[lua] nope, no signs of it"
+end
+
+
+-- the embed program expects a function void onEvent(Event)
+-- this is it
+
+function onEvent(e)
+    print("[Lua] onEvent with event",e.mType)
+    -- lets do something with the Engine
+    -- nothing clever, but ...
+    if e.mType==example.Event_STARTUP then
+        pEngine:start()
+    elseif e.mType==example.Event_KEYPRESS then
+        pEngine:accelerate(0.4)
+    elseif e.mType==example.Event_MOUSEPRESS then
+        pEngine:decelerate(0.4)
+    elseif e.mType==example.Event_SHUTDOWN then
+        pEngine:stop()
+    else
+        error("unknown event type")
+    end
+    print("[Lua] ending onEvent")
+end