filter out Promise$Pending from stacktrace
Merge branch 'stacktrace-filter-promise-pending' of git://github.com/spion/bluebird into spion-stacktrace-filter-promise-pending

Conflicts:
	js/bluebird.js
	js/bluebird_debug.js
	js/bluebird_sync.js
Release v0.8.4-1
Improve performance of all collection methods when using
direct values or settled promises or a mix of them
don't pass value to finally handler
Remove kew from benchmarks since it breaks map and defer-sequence
cache cast
Pass earlier caller for stack trace ignore in more places
Release v0.8.5-0
Merge branch 'master' into gh-pages

Conflicts:
	js/bluebird.js
	js/bluebird_debug.js
	js/bluebird_sync.js
bundle