Implement SDL_SetVideoMode(0,0, ...) to create the canvas in whatever size the <canvas> was in, and not try to resize the canvas to 0x0 pixels. Derive a new test for that from sdl_ogl.c. Fixes #1059.
remove old call to Runtime.warn in file packager code
fix bug with parsing of empty types
1.7.1
Merge pull request #1726 from juj/sdl_setvideomode_0_0

SDL_SetVideoMode(0,0, ...)
emit emscripten version in emcc -v
write out html and side js when html output is requested, to improve page load times
map depth and stencil buffers activation from GLUT to WebGL
map depth and stencil buffers activation from SDL to WebGL
map depth and stencil buffers activation from GLFW to WebGL
add tests for WebGL context attributes (antialiasing, depth, stencil) when they are enabled or disabled