Rename Riemann solver .so modules.
Rename python Riemann solvers.
Merge pull request #32 from gradylemoine/3d-from-claw43

3D from claw4.3
Merge pull request #33 from ketch/no_rpn

Rename Riemann solver .so and python modules.

Note that you need the corresponding correction in PyClaw (pull clawpack/pyclaw#292).
Merge pull request #34 from gradylemoine/acoustic-3d-fix

Acoustic 3d fix
Enable compilation of .so's for new Riemann solvers.
Merge pull request #35 from ketch/so_3d

Enable compilation of .so's for new Riemann solvers.
Change message about running make to running pip.
Merge pull request #36 from ketch/remove_make_message

Change message about running make to running pip.
fix bug in static.py
Create README.md
Add geoclaw riemann solvers
Variable-coefficient elasticity solvers interleaved and added.
Merge pull request #38 from mandli/move-riemann-solvers

Add geoclaw riemann solvers
Add 2D elasticity solvers.
Instructions for making solvers importable in README.md.
Merge pull request #40 from ketch/readme

Instructions for making solvers importable in README.md.
Merge pull request #39 from ketch/elasticity

Elasticity
Remove unused top-level setup.py.
Merge pull request #44 from ketch/rm_top_setup

Remove unused top-level setup.py.