2011-09-29  Martin Morgan  <mtmorgan@fhcrc.org>

	* configure.ac: build libzbioc only on Windows by default

2011-05-30  Martin Morgan  <mtmorgan@fhcrc.org>

	* src/zlib-1.2.5: adjust zlib for zlibbioc
	-  remove unnecessary files
	- rename dll zlib1bioc.dll
	- adjust prefix to bioc_
	- map export symbols to bioc_ in win32/zlib.def
	- manually set PREFIX in make file for GCC version switch
