added data structure for a processor block, constructors completed
added instructions for procBlock class
added viscous functions to class
changed inviscid i flux function to use new data structure
modified procBlock methods to work with new ghost cell format
added member function to assign geometric quantities to ghost cells
changed ghost cell geometry member function to account for 1 cell thick grids
added member function to supply ghost cell values for inviscid flux computation
added member function to write ghost cells for viscous flux calculation
integrated procBlock into code, compiles, need to test
added member function to write out grid with ghost cells
integrated procBlock into main code, bug fixes
removed bounds checking for grid location functions
bug fixes
removed lower/upper surface dependence for ghost state calculation
fixed ghost state calculation
added gradient assignment for ghost cells
bug fixes for viscousWall bc
added logic to write face areas and face centers to ghost cells as well for non-edge ghost cells
completed assignment of geometric quantities to all ghost cells (except corners)