Uploaded new NPC and town images

New NPCs are in a folder called “npc” and the new town images are in a
folder called “town.” I wasn’t sure which images these would be
replacing, so I left all the other images intact.
Merge branch 'year3-art'
Update NPC and bubbles' default positions

[#59758778]
Add new css classes for Lullen and Angeral backgrounds

[#59759398]