Validate uniqueness of tag names
Validate uniqueness of tag names

Can't believe I never found this one before.

codio/orientation,robomc/orientation,Scripted/orientation,liufffan/orientation,ferdinandrosario/orientation,IZEA/orientation,ferdinandrosario/orientation,codeschool/orientation,codeschool/orientation,orientation/orientation,twinn/orientation,Scripted/orientation,IZEA/orientation,jefmathiot/orientation,friism/orientation,codeschool/orientation,jefmathiot/orientation,liufffan/orientation,robomc/orientation,LogicalBricks/orientation,twinn/orientation,orientation/orientation,LogicalBricks/orientation,orientation/orientation,splicers/orientation,cmckni3/orientation,cmckni3/orientation,orientation/orientation,splicers/orientation,cmckni3/orientation,hashrocket/orientation,codio/orientation,splicers/orientation,smashingboxes/orientation,smashingboxes/orientation,Scripted/orientation,hashrocket/orientation,friism/orientation