fixes and improvments to tags controller tests, checking for the link url as well as just the text for the tagged items listed
fixes and improvments to tags controller tests, checking for the link url as well as just the text for the tagged items listed

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