Revision 1855818

Merge r1730129 from trunk:

Support %{c}h for conn-hostname, %h for useragent_host
Submitted by: wrowe
Reviewed by: jim, ylavic, covener
Merge r1818321 from trunk:

"{c}h" exists and logs the value returned by 'ap_get_useragent_host()'.

I'm not sure of the description to write there, so I just mention it in the doc and hope s.o. will find the words :)

This has been introduced in r1730129.
Submitted by: jailletc36
Reviewed by: jim, ylavic, covener