Modify ff2gmt.f
Modify ff2gmt.f

1. Add subroutine getclip to stretch FFM clipping outline to corner
   subfault edges instead of corner subfault centers.
2. Add subroutine dlola for use with subroutine getclip.
3. Change all command line flags to clarify output options.
   Likewise, change associated file name variables.
4. Rewrite conditional statements in main program to simplify
   output specification.

mherman09/Hdef,mherman09/Hdef,mherman09/Hdef