Renamed things named after BeOS to be named after Haiku instead.

--HG--
rename : src/audio/baudio/SDL_beaudio.cc => src/audio/haiku/SDL_haikuaudio.cc
rename : src/audio/baudio/SDL_beaudio.h => src/audio/haiku/SDL_haikuaudio.h
rename : src/filesystem/beos/SDL_sysfilesystem.cc => src/filesystem/haiku/SDL_sysfilesystem.cc
rename : src/joystick/beos/SDL_bejoystick.cc => src/joystick/haiku/SDL_haikujoystick.cc
rename : src/loadso/beos/SDL_sysloadso.c => src/loadso/haiku/SDL_sysloadso.c
rename : src/main/beos/SDL_BApp.h => src/main/haiku/SDL_BApp.h
rename : src/main/beos/SDL_BeApp.cc => src/main/haiku/SDL_BeApp.cc
rename : src/main/beos/SDL_BeApp.h => src/main/haiku/SDL_BeApp.h
rename : src/power/beos/SDL_syspower.c => src/power/haiku/SDL_syspower.c
rename : src/timer/beos/SDL_systimer.c => src/timer/haiku/SDL_systimer.c
rename : src/video/bwindow/SDL_BWin.h => src/video/haiku/SDL_BWin.h
rename : src/video/bwindow/SDL_bclipboard.cc => src/video/haiku/SDL_bclipboard.cc
rename : src/video/bwindow/SDL_bclipboard.h => src/video/haiku/SDL_bclipboard.h
rename : src/video/bwindow/SDL_bevents.cc => src/video/haiku/SDL_bevents.cc
rename : src/video/bwindow/SDL_bevents.h => src/video/haiku/SDL_bevents.h
rename : src/video/bwindow/SDL_bframebuffer.cc => src/video/haiku/SDL_bframebuffer.cc
rename : src/video/bwindow/SDL_bframebuffer.h => src/video/haiku/SDL_bframebuffer.h
rename : src/video/bwindow/SDL_bkeyboard.cc => src/video/haiku/SDL_bkeyboard.cc
rename : src/video/bwindow/SDL_bkeyboard.h => src/video/haiku/SDL_bkeyboard.h
rename : src/video/bwindow/SDL_bmodes.cc => src/video/haiku/SDL_bmodes.cc
rename : src/video/bwindow/SDL_bmodes.h => src/video/haiku/SDL_bmodes.h
rename : src/video/bwindow/SDL_bopengl.cc => src/video/haiku/SDL_bopengl.cc
rename : src/video/bwindow/SDL_bopengl.h => src/video/haiku/SDL_bopengl.h
rename : src/video/bwindow/SDL_bvideo.cc => src/video/haiku/SDL_bvideo.cc
rename : src/video/bwindow/SDL_bvideo.h => src/video/haiku/SDL_bvideo.h
rename : src/video/bwindow/SDL_bwindow.cc => src/video/haiku/SDL_bwindow.cc
rename : src/video/bwindow/SDL_bwindow.h => src/video/haiku/SDL_bwindow.h
extra : rebase_source : afd5a42647878e283dbee3a666cef2214f0e7941