Updated 2.4.x-mod_md branch to current trunk (mod_md v1.1.0) with renamed configuration
directives and improved certificate chain retrieval. Resetting votes.
+1: icing
+1: icing, jim
*) mod_md: backport of mod_ssl changes to get interworking ACME support. Needs mod_md backport propoals above to find mod_md.h include file with otional functions.