Rename "authors" field to "co-authors" in Researcher view
Rename "authors" field to "co-authors" in Researcher view

Fix #663.

wetneb/dissemin,dissemin/dissemin,dissemin/dissemin,dissemin/dissemin,wetneb/dissemin,dissemin/dissemin,dissemin/dissemin,wetneb/dissemin,wetneb/dissemin