OSX bundle: Fix the copy of symblic links without directory
Refix symbolic links for the second build
Attempt to fix write directory on OSX < 10.4
Update Apple Interface
Add the PkgInfo file
Apple interface: use the macro in combinaison with respondsToSelector
Forgot a line to delete
Don't use unsupported flag with older GCC version
Revert last Apple Interface update: only use the macro workaround
Remove class Counter, useless since the HUD is scripted.
Don't die if a script refers to a non-existing equipment item.
Fix item:set_sound_when_brandish() that did not work.
Do diagonal moves only as a last resort to avoid bypassing sensors.

Fixes a bug introduced by eb14e7e while solving #39.
Fix a segfault when removing a menu while iterating over them (#210).
Replace a C cast by a static_cast.
Simplify how the LuaContext* object is retrieved from a lua_State*.
Update the generic 32bit cast
Improve OSX packaging
Improve get_pixel32
Cosmetics.