Merge branch 'integration' into small-bugfixes

src/MANYBODY/fix_qeq_comb.cpp

src/MC/fix_atom_swap.cpp

src/MC/fix_bond_break.cpp

src/MC/fix_bond_create.cpp

src/MC/fix_bond_swap.cpp

src/MC/fix_gcmc.cpp

src/MC/fix_tfmc.cpp

src/fix.cpp

src/fix_adapt.cpp

src/fix_addforce.cpp

src/fix_ave_atom.cpp

src/fix_ave_correlate.cpp

src/fix_ave_histo.cpp

src/fix_ave_time.cpp

src/fix_aveforce.cpp

src/fix_balance.cpp

src/fix_box_relax.cpp

src/fix_controller.cpp

src/fix_deform.cpp

src/fix_enforce2d.cpp