Notebooks showing how to set up a shocktube problem with
a specified Mach-number shock.
Merge pull request #44 from ketch/euler_mach

Notebooks showing how to set up a shocktube problem with a specified Mach-number shock.
Merge branch 'master' into fgmax-style

* master:
  Notebooks showing how to set up a shocktube problem with a specified Mach-number shock.