Merge branch 'add-morris-and-monaghan' into 'master'

configure.ac

examples/KelvinHelmholtz_2D/makeMovie.py

examples/SodShock_1D/plotSolution.py

src/debug.c

src/hydro.h

src/hydro/PressureEnergy/hydro.h

src/hydro/PressureEnergy/hydro_iact.h

src/hydro/PressureEnergyMorrisMonaghanAV/hydro.h

src/hydro/PressureEnergyMorrisMonaghanAV/hydro_debug.h

src/hydro/PressureEnergyMorrisMonaghanAV/hydro_iact.h

src/hydro/PressureEnergyMorrisMonaghanAV/hydro_io.h

src/hydro/PressureEnergyMorrisMonaghanAV/hydro_part.h

src/hydro_io.h

src/part.h

tests/test125cells.c

tests/test27cells.c

tests/testActivePair.c

tests/testInteractions.c

theory/Cosmology/artificialvisc.tex

theory/Cosmology/bibliography.bib