Fix bad inheritance for TaxonomyAppController. refs #518
Fix bad inheritance for TaxonomyAppController. refs #518

Regression introduced in commit 0b4df30.

cvo-technologies/croogo,delkyd/croogo,xintesa/croogo,Wouter0100/croogo,delkyd/croogo,damien-biasotto/croogo,cvo-technologies/croogo,xintesa/croogo,damien-biasotto/croogo,rakeshtembhurne/croogo,Wouter0100/croogo,xintesa/croogo,delkyd/croogo,rakeshtembhurne/croogo,rakeshtembhurne/croogo,cvo-technologies/croogo,Wouter0100/croogo