Semantic Interactions (wp) IRI resolution

**RDF Types:** `wp#Interaction`, `wp#DirectedInteraction`, `wp#Conversion`, `wp#Binding`, `wp#Catalysis`, `wp#ComplexBinding`, `wp#Inhibition`, `wp#Stimulation`, `wp#TranscriptionTranslation`, `wp#Translocation`  
**Example:** `http://rdf.wikipathways.org/Pathway/WP1401_r134137/WP/Interaction/a17b7`

Add type-specific rendering and test coverage for wp:Interaction resources.