clear request on default timeout
[evgeny, szilvester] request timeout progress
whenRequestsCompleted timeout
[evgeny, szilveszter] request.whenRequestsCompleted timeout
distinguish canceled and timed out requests
[evgeny, szilveszter] request timeouts
request forcedReason, error handling
fix quota exceeded test
[Evgeny, Szilveszter] request subscription refactoring
request$file implement ontimeout and abort
clear request on default timeout
Merge branch 'master' into sly_timeout

Conflicts:
	lib/config.js
	lib/util/request.js