remove g++ warnings
CSDL_sound: fix warnings etc
use SDL_Texture
use SDL_RenderCopy
add _prepare_for_debug_QTCreator.sh, fix playagain.wav, fix splash image, on debug go one level up to resources
remove .pro.user file
remove sdl 1.2
SDL_WarpMouseInWindow, SDL_SetTextureAlphaMod
format code
fix button down display
change title
Merge branch 'dev/port_to_2.0' into publish_master