Merge r328641, r328852 from trunk:

* configure.in: Require apr >= 1.2.0 and apr-util >= 1.2.0.

* configure.in: Move apr/apr-util version checks later to fix in-tree
apr/apr-util build failures due to $EGREP not getting set early
enough.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@331606 13f79535-47bb-0310-9956-ffa450edef68