RFR: 8029127: A redirect POST request does not work and illegalStateException on HttpURLConnection.getInputStream

[Michael McMahon]

This is another regression in JDK 8. A new "connecting" flag is getting 
confused
when a redirect occurs and a POST gets converted to a GET.
http://cr.openjdk.java.net/~michaelm/8029127/webrev.1/

Thanks
Michael.