CC-2780 Support browse and subscribe for viewBySlug
CC-2780 Support browse and subscribe for viewBySlug

The viewBySlug controller didn't bring in the JavaScript for the
browse visualization and the subscribe button. Neither function
worked.

In the viewBySlug controller, specify the scripts for browse and
subscribe as we already do for viewById.

RVA-196

au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal,au-research/ANDS-ResearchVocabularies-Portal