remove the tooltip on view content of image button, otherwise it is showed on image title
remove the tooltip on view content of image button, otherwise it is showed on image title

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