Add license header
It is backport of revisions 1597753-1597755 from tomcat/trunk.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1597757 13f79535-47bb-0310-9956-ffa450edef68
Discern the first and the second requests in the test case.
It is merge of r1597759 from tomcat/trunk.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1597761 13f79535-47bb-0310-9956-ffa450edef68