Revert "Merge branch 'master' of https://github.com/nzl-nott/PhD-of-nzl"

This reverts commit 3abc7c9f5c98ab20b0ab47321235b631970b63be, reversing
changes made to fd8b36307540c8f8a73d5257798749d555e5448a.
Revert 63ae4ad..e841b8e

This rolls back to commit 63ae4ad922bb462782185a7a38928a4fc37001c7.