Merge branch 'explicit-vdash' into 'master'

tests/atomic.ref

tests/atomic.v

tests/heap_lang.v

tests/ipm_paper.v

tests/one_shot.v

tests/one_shot_once.v

tests/proofmode.v

tests/proofmode_iris.v

tests/proofmode_monpred.v

tests/proofmode_siprop.v

theories/base_logic/bi.v

theories/base_logic/derived.v

theories/base_logic/lib/auth.v

theories/base_logic/lib/boxes.v

theories/base_logic/lib/cancelable_invariants.v

theories/base_logic/lib/fancy_updates.v

theories/base_logic/lib/gen_heap.v

theories/base_logic/lib/invariants.v

theories/base_logic/lib/na_invariants.v

theories/base_logic/lib/own.v