Spruced up shell.html

Made a bunch of changes to shell, including a logo, a nicer spinner, and
better colors. Note on the image: I simply inlined the svg logo from
docs/, which made the file significantly longer.
mark several embind functions as always_inline: this reduces code size
Fix Mozilla Audio Data API usage after my previous commit that added the use of ScriptProcessorNode to Web Audio backend. Fixes #2126.
fuzz tester tweaks
fix fuzzer test runner cleanups
Merge branch 'prettier-shell' of github.com:TehEpicPineapple/emscripten into incoming

Conflicts:
	AUTHORS
improve emcc help on shell file, and add minimal shell file example
make logo a link
Merge pull request #2125 from waywardmonkeys/upstream-from-imvu

mark several embind functions as always_inline: this reduces code size
release 1.11.0
fix target in hello_world.ll
i96_ashr testcase
enable legalizer_ta2 testcase in fastcomp
emit both c++ and c in fuzzer
improve c++ fuzzing
add testcase for i1 constants being properly unsigned
fix fuzz checker
reduce some fuzzer output
suppress native warnings in fuzzer, csmith emits many
improve fuzzing to detect asm validation errors