Add better error when API module not included

src/definitions/modules/search.js

@@ -267,7 +267,7 @@ $.fn.search = function(parameters) {
               else if(settings.apiSettings) {
                 module.search.remote(searchTerm);
               }
-              else if($.api !== undefined && $.api.settings.api.search !== undefined) {
+              else if($.fn.api !== undefined && $.api.settings.api.search !== undefined) {
                 module.debug('Searching with default search API endpoint');
                 settings.apiSettings = {
                   action: 'search'
@@ -713,7 +713,7 @@ $.fn.search.settings = {
   },
 
   error : {
-    source      : 'No source or api action specified',
+    source      : 'Cannot search. No source used, and Semantic API module was not included',
     noResults   : 'Your search returned no results',
     logging     : 'Error in debug logging, exiting.',
     noTemplate  : 'A valid template name was not specified.',