add instructions in INSTALL to build using CMake and Xcode on Mac OS X
along with MacPorts
update CMake to link test_configfile with pcre
x-ref:
"loadable-module naming on macosx + cmake"
https://redmine.lighttpd.net/issues/1761
i hope it helps with merging stuff back to 1.5
git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@1371 152afb58-edef-0310-8abb-c4023f1b3aa9