minor fix

#15 fix touch screen A/B buttons in the inventory; fix single/two pla…

…yers mode switching

fix missed polygons on TR3 PSX levels

fix web version

fix for for mediump, enable mipmaps for low filter settings

#15 fix PSP build

#15 some RPI shader optimizations

#23 fix ambient cubes for cutscene actors

#15 async read/write for settings

#15 fix OL version of OSX