duk_def_prop comment: no special behaviors like [[DefineOwnProperty]]
test262 known issues list in json format
util to filter known issues (and success lines) from test262 output
add filtering to test262 run
rename 'knownbug' to 'knownissue' in metadata
update documentation on 'knownissue' testcase flag
runtests: knownbug -> knownissue, fixme note on use strict
Array built-in fixes: use duk_def_prop() instead of duk_put_prop() in several places (perhaps not all yet) to avoid obscure corner cases with Array.prototype containing conflicting properties
makefile fix
ditz issue update