Merge branch 'fix-multiple-controls' into 'develop'

Allow multiple search forms to be present

See merge request !16

Author: RubenVerborgh

lib/extractors/ControlsExtractor.js

@@ -67,7 +67,8 @@ ControlsExtractor.prototype._extract = function (metadata, tripleStream, callbac
     // TODO: Make parser independent of a specifically structured control set
     var searchForms = controlData.search;
     if (searchForms) {
-      assert(Object.keys(searchForms).length === 1, 'Expected 1 hydra:search');
+      // We take the first matching search form for now,
+      // until we find a better method for distinguishing between different forms
       var searchForm = searchForms[Object.keys(searchForms)[0]][0],
           searchTemplates = (controlData.template || {})[searchForm] || [];