fix for random mesh with periodicity
time stepping information into lua
refinement near the fault
rotation
cleaning up some comments and variable names in dgx_rhs
extra stuff for refinement near fault (merge with previous commit)
more changes in rotation commit (squash with previous)
central flux instead of upwind
making geometry terms like the projection paper
adding projection scaling factor and storing exact (glue) mass matrix
updating beard_example to be periodic
current state of TPV105