Small edits to release notes.

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1433388 13f79535-47bb-0310-9956-ffa450edef68
Convert control statement bodies to block.

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1433390 13f79535-47bb-0310-9956-ffa450edef68