Merge branch 'fix-default-sph' into 'master'

src/hydro/AnarchyDU/hydro_iact.h

src/hydro/AnarchyDU/hydro_io.h

src/hydro/AnarchyPU/hydro_iact.h

src/hydro/Default/hydro.h

src/hydro/Default/hydro_debug.h

src/hydro/Default/hydro_iact.h

src/hydro/Default/hydro_io.h

src/hydro/Default/hydro_parameters.h

src/hydro/Default/hydro_part.h

src/hydro/PressureEnergy/hydro_iact.h

src/hydro/PressureEnergyMorrisMonaghanAV/hydro_iact.h

src/part.h

tests/Makefile.am

tests/test125cells.c

tests/test27cells.c

tests/testActivePair.c

tests/testInteractions.c

tests/testPeriodicBC.c

tests/testSPHStep.c

tests/testSingle.c