auth/oauth: close requests to oauth provider
docs: release notes for 0.6.1
service/endpoint: add request.Close flag to issueRequest.
update release notes 0.6.1
io: keepalive writer shouldn't freeze after writing errors
docs: updated 0.6.1 release notes
io: fix for race conditions in keepalivewriter
service/proxy: repassing body properly.
docs: release notes for 0.6.2.
Merge branch 'service_proxy_fix'

Conflicts:
	docs/conf.py
	docs/releases/index.rst