Precompiled binary on Github

[sumanthakur1976]

OSX now has a default installation of libclang under /Library/Developer/CommandLineTools/usr/lib and it will be really useful if there were precompiled binaries available from your repo that linked to this version of libclang. Currently, one has to install the humongous llvm package from homebrew just to get the header files to build it locally. In fact, a statically linked irony-mode that had no explicit dependency on libclang would be even better.

[sten0]

@sumanthakur1976 it seems to me that this is outside of the scope of the upstream irony-mode project and the correct place for this would be a homebrew bottle for irony-server. We do something similar in Debian :-)