(see http://home.apache.org/~jailletc36/proxy_http2__trunk_vs_2_4.diff)
icing: -1, no need to vote on experimental module backport. Changes included in r1743817 and r1743815. All should be in sync with trunk now (modulo some diffs for trunk features)
+ *) ab: caseless matching for http heaers
+ trunk patch: http://svn.apache.org/r1733537
+ 2.4.x: trunk works
+ +1 covener
+
PATCHES/ISSUES THAT ARE BEING WORKED
*) http: Don't remove the Content-Length of zero from a HEAD response if