---- cleaning up commented out code and added needed spaces. user: Gary Pei <guangyu.pei at boeing.com> files: VERSION examples/wifi-clear-channel-cmu.cc src/devices/wifi/interference-helper.cc src/devices/wifi/yans-error-rate-model.cc src/devices/wifi/yans-wifi-phy.cc url: http://code.nsnam.org/pei/ns-3-80211b/rev/40997b37ee4d