Merge pull request wannier-developers#320 from giovannipizzi/release_3.1

Release 3.1

Merge pull request wannier-developers#252 from giovannipizzi/release_3.0

Release v3.0.0

Merge pull request wannier-developers#93 from giovannipizzi/develop

Typo

Fixed makefile for double adding of Makefile in w90pov, and to create…

… a filename containing the version number

Updated headers.

fix library mode and spinors

Adding CHANGE.log to the repository

give correct usggestion devel_flag=orth-fix (no 'o'!)