Updated submodules:

* arrangements/WVUThorns 41e0b08...9633697 (1):
  > WVUThorns: Baikal+BaikalVacuum -- Code review patches, cont'd: Add+schedule a function that floors the lapse.

Updated submodules:

* arrangements/WVUThorns 9633697...6c8fe9b (1):
  > WVUThorns: Baikal + BaikalVacuum -- Document in README's the NRPy+ git hash used to generate the thorns

Updated submodules:

* arrangements/CactusNumerical 8c0823a...a4dbabc (1):
  > Refer to vector scalars by group name rather than variable name

* flesh 02f44db...346b9cb (2):
  > Add checks for vectors of things.
  > Cactus: produce warning not error for incorrect groups in READS / WRITES