checks to ensure that user and user.person are not nil when before calling them while sending feedback
checks to ensure that user and user.person are not nil when before calling them while sending feedback

kjgarza/frame_experiment,HITS-SDBV/seek,HITS-SDBV/nmtrypi-seek,HITS-SDBV/nmtrypi-seek,Virtual-Liver-Network/seek,stuzart/seek,stuzart/seek,Virtual-Liver-Network/seek,BioVeL/seek,aina1205/nmtrypi-seek,SynthSys/seek,stuzart/seek,BioVeL/seek,aina1205/SysMO-DB-seek,BioVeL/seek,BioVeL/seek,aina1205/nmtrypi-seek,aina1205/nmtrypi-seek,Virtual-Liver-Network/seek,aina1205/nmtrypi-seek,aina1205/SysMO-DB-seek,HITS-SDBV/seek,kjgarza/frame_experiment,aina1205/SysMO-DB-seek,SynthSys/seek,HITS-SDBV/nmtrypi-seek,SynthSys/seek,HITS-SDBV/nmtrypi-seek,kjgarza/frame_experiment,SynthSys/seek,HITS-SDBV/seek,HITS-SDBV/seek,Virtual-Liver-Network/seek,kjgarza/frame_experiment