Fixed imagediff.py to return correct value of mregression_ok and print a summary of files that differ or are missing
fixed relocatable option of imagediff.py when some files missing from one directory
added conversion script and templates for geoclaw
changed to unformatted prints in setrun_template_geoclaw_2d_shallow.py to give nicer output -- should make same change to other setrun templates
geoclaw requires use_fwaves == True
add gauges and regions properly for geoclaw converstion
Changes to data.py needed for geoclaw option to specify fgmax input files (backwards compatible)
Merge pull request #58 from rjleveque/fgmax3

Added fgmax support and fixed various other geoclaw issues
added missing bc in z to setrun_template_classic_3d.py
Merge pull request #59 from rjleveque/conversion3

added missing bc in z to setrun_template_classic_3d.py
Merge pull request #60 from rjleveque/regression_imagediff

Regression imagediff