Boxing not usually important in test code; the EasyMock classes generate a lot of warnings

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1571383 13f79535-47bb-0310-9956-ffa450edef68
Eliminate repeated boxing

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1571385 13f79535-47bb-0310-9956-ffa450edef68
fewer boxing conversions needed when stored as an object

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1571387 13f79535-47bb-0310-9956-ffa450edef68
We don't need the content length as an int; avoid the boxing

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1571393 13f79535-47bb-0310-9956-ffa450edef68