res_http_websocket: Include query parameters in client connection requests.

Review: https://reviewboard.asterisk.org/r/3914/
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Merged revisions 421210 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@421211 f38db490-d61c-443f-a65b-d21fe96a405b