fix alpha keycodes in handleEvent
Bug fixes of the pthread specific and a test added.
add tests for alpha keys from SDL_GetKeyState
Don't set context error when there is no context.
Fix browser.test_emscripten_async_wget2.

Need to include <stdarg.h> to use va_start / va_end.
Fix browser.test_float_tex.

This should be getting the size of a float, not a uint.
Include stdlib.h when using malloc().
_GNU_SOURCE definition not needed.
Should be fopen, not open.
Add myself to AUTHORS
more docs for outlining
improve test_html_source_map
make script tag async in shell.html
Merge pull request #1551 from waywardmonkeys/fix_browser_test_issues

Fix browser test issues
settings.js docs
emit memory init files when closure is run, fixes #1547
implement emscripten_get_canvas_size
test for closure+mem init file in a more focused manner
outlining value suggestion
outlining docs