Creation of 2 styles for Journal of Roman Archaeology

"System A" (author-date + reference list): commit 650db0f0d395b329d7c43c5332f04d9fa33aea96
"System B" (in note, without reference list): commit eb1805804d9bc5f6e66daa8c27fe0b2075b44cbf
Indent should be fine for once
Only messy part, "A" was created as "B" and almost immediately updated...