ENH: AMI - multiple updates

- start of work to create a 1-to-1 face mapping across AMI patches
- faces are inserted according to the AMI addressing based on Horacio's method
- removed 'updated' flag and reworked some demand driven updates
- updated to handle 'walking' through baffles
- use bitSet instead of boolList
- moved update of meshPhi to movePoints() functions at fvPatch level
- moved scaling of areas to movePoints() functions at fvPatch level
- rehomed topology change code to own file
- added warning re: geometry construction

ACMI
- split srcMask into srcMask and srcAreaMask
  - former in range 0-1, and latter has bounding or tol to (1-tol) to avoid
    sigFpe's