Merge branch 'master' into GravityParticles

.gitignore

doc/Doxyfile.in

examples/BigCosmoVolume/makeIC.py

examples/GreshoVortex/makeIC.py

examples/MultiTypes/makeIC.py

examples/PerturbedBox/makeIC.py

examples/SedovBlast/makeIC.py

examples/SedovBlast/makeIC_fcc.py

examples/SodShock/makeIC.py

examples/UniformBox/makeIC.py

examples/UniformBox/makeICbig.py

examples/UniformDMBox/makeIC.py

examples/plot_tasks.py

examples/plot_tasks_MPI.py

src/Makefile.am

src/common_io.c

src/common_io.h

src/debug.c

src/engine.c

src/gravity/Default/gravity_iact.h