Compiling C++14 code on a cluster with clang

For those of who who are using Vaango on supercomputers, here's an updated set of instructions for building on a Cray machine.

http://www.parresianz.com/dem/compiling-vaango-on-a-cray/

I'm always on the look out for people who can help me improve the code and add new features.  Please contact me if you are interested in contributing to a challenging open-source project for multiphysics with particle methods.

-- Biswajit