Separator line for edge filter table

<img src="https://gravatar.com/avatar/97da832a4e5c97127d5cbe569da93bcd?d=https%3A%2F%2Fgithub.ugent.be%2Fidenticons%2F0537fb40a68c18da59a35c2bfe1ca554.png&r=x" align="left" width="96" height="96" hspace="10"></img> **Issue by tvparys**
_Thu Nov 27 16:57:50 2014_

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Is it possible to alter the cell rendering for one single line?
