12May09 version files changed by 18May09 patch: doc/fix_rigid.html doc/fix_rigid.txt doc/fix_write_reax_bonds.txt doc/mass.html doc/mass.txt doc/pair_gayberne.html doc/pair_gayberne.txt doc/pair_resquared.html doc/pair_resquared.txt doc/set.html doc/set.txt examples/peri/in.peri src/PERI/atom_vec_peri.cpp src/atom.cpp src/fix_ave_spatial.cpp src/fix_deform.cpp src/set.cpp