Merge pull request #217 from akohlmey/small-fixes

doc/src/Section_commands.txt

doc/src/fix_dpd_energy.txt

doc/src/fix_wall_gran.txt

doc/src/fix_wall_gran_region.txt

doc/src/fixes.txt

doc/src/pair_dpd_fdt.txt

src/.gitignore

src/GRANULAR/fix_wall_gran_region.cpp

src/USER-DPD/fix_dpd_energy.cpp

src/USER-DPD/fix_eos_table_rx.cpp

src/USER-DPD/fix_rx.cpp

src/USER-DPD/pair_exp6_rx.cpp

src/USER-DPD/pair_multi_lucy_rx.cpp

src/USER-DPD/pair_table_rx.cpp

src/timer.cpp

src/timer.h