Moves integrity to the atom level (BeeStation#11290)

* blastcannon buff

* Revert "blastcannon buff"

This reverts commit e8aa1a2.

* tank integrity refactor

* before threading into turf integrity

* hmmm, nearly there.

* Revert "hmmm, nearly there."

This reverts commit 70bc981.

* better

* finished

* merge skew

* merge skew

* search&replace

* ifndef

* reviews

* REALBASELINE

* convert fland

* REALBASELINE

* meta & echo

* i like to singa

* please fix yourself