Adjust Cigotuvi's decay rate

Trying to strike a good balance between 'discouraging monster
stashing' and 'making the spell good'.
tone down serpent of hell dis a tiny bit

it seems reaching is stronger than i was expecting, it's getting quite a
lot of kills now, unbalancing it in the other direction
Plane Papyrus -> Akashic Record (ontoclasm)

THe previous name was a little too plain.
Possibly fix a wind blast crash

And add a few more asserts and checks.
Changelog through 0.16-a0-2936-gdb8a0b4
Remove 's' (nicolae~)
Make phantom mirrors slightly weaker

By adding a small amount of draining (HD reduction) to their
spawned illusion; currently a fixed 1/3 of the base HD, but making
it scale with evocations skill (from 1/2 to 1/4?) might be
worthwhile.
Autopickup blood after bottling (rigrig)

Just like chunks after butchering; this was broken when the butchery
delay was removed.
Tiles for "Vit and "Bloodlust
Merge https://github.com/crawl-ref/crawl-ref