Clean-up. Production qe-util.
Additional note on fractional coordinates.
First complete run. Units and dos to check.
Merge https://gist.github.com/5fb472070a272b61f75c
Merged Elastic constants.
Merge https://gist.github.com/f3f37daa4cf1884f02ad
Merged lattice dynamics.
Merge https://gist.github.com/d68d81026eed03467d69
Merged primitive unit cells.
Merge script added
Merge https://gist.github.com/a7f552e8b1fced1bc996
Merge install doc.