Squashed 'lectures/' changes from a4f4613..27dd588 ...

27dd588 Switched to fontawesome5

git-subtree-dir: lectures
git-subtree-split: 27dd588

Squashed 'lectures/' changes from f8fe51f..a4f4613 ...

a4f4613 Added bibliography item templates (closes #5)

git-subtree-dir: lectures
git-subtree-split: a4f4613

Squashed 'lectures/' changes from cdc1585..f8fe51f ...

f8fe51f Stopped hyperref complaining about invalid tokens

git-subtree-dir: lectures
git-subtree-split: f8fe51f

Squashed 'lectures/' changes from 80e504e..9ea99f2 ...

9ea99f2 Added new lecture document classes & packages • deprecated lecturecombined.cls, lecturenotes.cls, lectureslides.cls • lecturecommon.sty is currently still used by courseoutline.cls,   lectureassignment.cls, lecturefig.cls, and lectureworksheet.cls

git-subtree-dir: lectures
git-subtree-split: 9ea99f2