Added No Sound Option

[hailstone]

Here are the changes that I made:
    Added shared_lib/include/sound/nosound/sound_factory_nosound.h
    Added shared_lib/include/sound/nosound/sound_player_nosound.h
    Changed shared_lib/sources/platform/sdl/factory_repository.cpp
    Changed shared_lib/sources/platform/sdl/factory_repository.h
    Changed glest.ini ( FactorySound=NoSound )
    Changed Jamfile ( LIB_DIRS = platform/sdl util graphics graphics/gl sound sound/openal sound/nosound xml glew ; )

Diffs
========
factory_repository.cpp
========

Code: [Select]

37,39d36
<         if(name == "NoSound") {
<                 return &soundFactoryNoSound;
<         }
========
factory_repository.h
========

Code: [Select]

22d21
< #include "sound_factory_nosound.h"
30d28
< using Shared::Sound::NoSound::SoundFactoryNoSound;
47,48d44
<         SoundFactoryNoSound soundFactoryNoSound;
<         SoundFactory soundFactory;

All the files are in nosound.tar.gz