fixing little bug
FW-152. Fixing Sphinx warning.
updated README.md
updated README.md
SW-81. Add path to openwsnmodule_obj.h for simulation.
Merge pull request #42 from kb2ma/develop

SW-81. Add path to openwsnmodule_obj.h for simulation.
Merge remote-tracking branch 'upstream/develop' into develop_SW-1b
SW-1. Able to toggle more root status.