tune up emscripten
Merge branch 'master' of github.com:diclophis/glsl-qwqz
Merge branch 'master' of github.com:diclophis/glsl-qwqz
Merge branch 'master' of github.com:diclophis/glsl-qwqz
Merge branch 'master' of github.com:diclophis/glsl-qwqz
Merge branch 'master' of github.com:diclophis/glsl-qwqz
cleanup emscripten build
Merge branch 'master' of github.com:diclophis/glsl-qwqz