Add code for SSPMS43 and update computations for SSP LMM.
Update nosetests for SSPMS32.
Mostly adding comments.
Removing unnecessary variables.
Using deepcopy for stages of starting methods.
Parallel petclaw tests in Travis
Merge pull request #403 from hadjimy/ssp_lmm_vss

Add code for SSPMS43 and update/correct computations for SSP LMM.
Enable use of pyclaw.io.x where x!=ascii.

Also, fix some problems in pyclaw.io.netcdf.
I still doubt that it's working correctly.
Clean up 3D acoustics test
Improve nosetest output (use test descriptions)
Fix loop bounds that didn't include enough ghost cells.
Merge pull request #407 from ketch/fix_tvd_recon_loop_bounds

Fix loop bounds that didn't include enough ghost cells.
Merge pull request #406 from ketch/enable_netcdf

Enable use of pyclaw.io.x where x!=ascii.
Serialize extension module auto-build in Rossby
Merge remote-tracking branch 'origin/master' into ahmadia/travis_test_petclaw
Make it possible to automatically build SW-sphere modules from same
directory.

Also, fail if one process returns None for initial data but
not for final data in 3D acoustics test.
Merge pull request #398 from clawpack/ahmadia/travis_test_petclaw

Parallel petclaw tests in Travis
Enable characteristic-wise reconstruction and tolal fluctuation for Euler 1D.
Edit example files and add test for Woodwad-Colella blast problem.
Remove debug statements.