Add No-Matching Icon for Tensionboard

Tension App adds a No-Matching Icon next to the Name depending on the description. 
I guess they use a regex for this `\b(?:no|don'?t)\s?match(?:ing)?\b`
would be handy. On climbdex we showed the description below the climb, so it was obvious if it's allowed to match, but if you dont see the description …