Merge pull request #2129 from rjanicek/proxy-request-animation-frame

add request animation frame logic to proxy-to-worker
fix canvas proxy code for sending resize events
clear status when proxied worker first responds
RETAIN_COMPILER_SETTINGS, Runtime.getCompilerSetting and emscripten_get_compiler_setting - an optional way to look up compiler flags at runtime
optimize traverseGenerated
tolerate non-asm variables in asm optimization passes, with no-op coercions (x=x)
support memory growth in (non-validating) asm.js
Merge pull request #1871 from abergmeier/fixup_eglSwapBuffers

Fix eglSwapBuffers
check all i64 functions for whether we need to include precise i64 code
enable test_float32_precise in fastcomp
error on MAX_SETJMPS changed in fastcomp
enable a fuzztest that now works in fastcomp
support reserved function pointers in fastcomp
enable test_scriptaclass in fastcomp
fast test_longjmp_repeat in fastcomp
version 1.11.1
define COMPILER_TEST_OPTS in benchmark suite, so libraries get optimized
useful info in ASSERTIONS=1 and 2 in fastcomp for bad function pointer calls, and update other.test_dangerous_func_cast to test that
enable other.test_link_s in fastcomp
fix function types of main loop funcs in sockets tests