Log Message:
Updated libmicrohttpd to 0.9.54.

Tue May  2 18:37:53 CEST 2017
	Update manual. -CG
	Add MHD_CONNECTION_INFO_REQUEST_HEADER_SIZE.
	Releasing GNU libmicrohttpd 0.9.54. -CG

Thu Apr 27 22:31:00 CEST 2017
	Replaced flags MHD_USE_PEDANTIC_CHECKS and MHD_USE_PERMISSIVE_CHECKS by
	single option MHD_OPTION_STRICT_FOR_CLIENT. Flag MHD_USE_PEDANTIC_CHECKS
	is still supported. -EG

Tue Apr 26 15:11:00 CEST 2017
	Fixed shift in HTTP reasons strings.
	Added test for HTTP reasons strings. -EG

Tue Apr 25 19:11:00 CEST 2017
	Allow flag MHD_USE_POLL with MHD_USE_THREAD_PER_CONNECTION and without
	flag MHD_USE_INTERNAL_POLLING_THREAD for backward compatibility. -EG

Mon Apr 24 17:29:45 CEST 2017
	Enforce RFC 7230's rule on no whitespace by default,
	introduce new MHD_USE_PERMISSIVE_CHECKS to disable. -CG

Sun Apr 23 20:05:44 CEST 2017
	Enforce RFC 7230's rule on no whitespace in HTTP header
	field names if MHD_USE_PEDANTIC_CHECKS is set. -CG

Sun Apr 23 19:20:33 CEST 2017
	Replace remaining occurences of sprintf() with
	MHD_snprintf_(). Thanks to Ram for pointing this out. -CG

Sat Apr 22 20:39:00 MSK 2017
	Fixed builds in Linux without epoll.
	Check for invalid --with-thread= configure parameters.
	Fixed support for old libgcrypt on W32 with W32 threads. -EG