dukweb css trivia
fatal handler
dukweb fatal/panic handlers, now call alert() in browser
old panic handler define name in comment fixed
add DUK_OPT_DECLARE for user declarations, use it to get rid of DUK_OPT_PANIC_HANDLER warnings for Dukweb
guide documentation for DUK_OPT_DECLARE, and improved DUK_OPT_PANIC_HANDLER example
add emscripten arch string for Duktape.env
Merge branch 'dukweb-improvements'