Add Ploeckinger+20 cooling

configure.ac

examples/Cooling/getColibreCoolingTables.sh

examples/EAGLE_ICs/EAGLE_12/eagle_12.yml

...s/EAGLE_ICs/EAGLE_12/vrconfig_3dfof_subhalos_SO_hydro.cfg

examples/EAGLE_ICs/EAGLE_25/eagle_25.yml

...s/EAGLE_ICs/EAGLE_25/vrconfig_3dfof_subhalos_SO_hydro.cfg

examples/EAGLE_ICs/EAGLE_50/eagle_50.yml

...s/EAGLE_ICs/EAGLE_50/vrconfig_3dfof_subhalos_SO_hydro.cfg

examples/EAGLE_ICs/EAGLE_50_low_res/eagle_50.yml

...ICs/EAGLE_50_low_res/vrconfig_3dfof_subhalos_SO_hydro.cfg

examples/EAGLE_ICs/README

examples/EAGLE_ICs/getColibreCoolingTables.sh

examples/EAGLE_low_z/EAGLE_12/eagle_12.yml

examples/EAGLE_low_z/EAGLE_25/eagle_25.yml

examples/EAGLE_low_z/EAGLE_50/eagle_50.yml

examples/EAGLE_low_z/EAGLE_6/eagle_6.yml

...solatedGalaxy/IsolatedGalaxy_feedback/isolated_galaxy.yml

...edGalaxy/IsolatedGalaxy_starformation/isolated_galaxy.yml

...smoVolume/SmallCosmoVolume_cooling/small_cosmo_volume.yml

src/Makefile.am