Updated make to build jsonclibs.make as opposed to benchmark.make, since that is the build step to create the lib.

Added MacOS specific code to patch the premake generated makefiles to remove the -Wl,-x flag, and replace the /usr/lib64 with /us/lib include dir.
Merge branch 'master' of http://github.com/kbrunham/nativejson-benchmark

Conflicts:
	Makefile
Resolved merge issues
Update machine detection and printing to support macos.