merging mast branch back in.

.gitignore

Makefile.am

examples/BigCosmoVolume/makeIC.py

examples/BigPerturbedBox/makeIC_fcc.py

examples/CosmoVolume/getIC.sh

examples/GreshoVortex/makeIC.py

examples/GreshoVortex/solution.py

examples/Makefile.am

examples/PertubedBox/makeIC.py

examples/SedovBlast/makeIC.py

examples/SedovBlast/makeIC_fcc.py

examples/SedovBlast/rdf.py

examples/SedovBlast/solution.py

examples/SodShock/makeIC.py

examples/SodShock/rhox.py

examples/SodShock/solution.py

examples/UniformBox/makeIC.py

examples/main.c

examples/plot_tasks.py

examples/runs.sh