Merge branch 'gear_feedback' into 'master'

configure.ac

examples/GEAR/AgoraDisk/agora_disk.yml

examples/GEAR/AgoraDisk/cleanupSwift.py

examples/GEAR/AgoraDisk/getIC.sh

examples/GEAR/AgoraDisk/getSolution.sh

examples/GEAR/AgoraDisk/plotSolution.py

examples/GEAR/AgoraDisk/run.sh

examples/GEAR/DwarfGalaxy/dwarf_galaxy.yml

examples/GEAR/DwarfGalaxy/run.sh

examples/GEAR/ZoomIn/run.sh

examples/GEAR/ZoomIn/zoom_in.yml

examples/GEAR/getChemistryTable.sh

examples/SubgridTests/SupernovaeFeedback/SN_feedback.yml

examples/SubgridTests/SupernovaeFeedback/getGlass.sh

examples/SubgridTests/SupernovaeFeedback/makeIC.py

examples/SubgridTests/SupernovaeFeedback/run.sh

examples/parameter_example.yml

src/Makefile.am

src/chemistry/GEAR/chemistry.h

src/chemistry/GEAR/chemistry_iact.h