fix issue where pattern type was not resolving, causing the pattern type view all pages to overwrite index, only to be overwritten by the last index, covering up the issue

fixes #452

Author: bmuenzenmeyer

core/lib/ui_builder.js

@@ -500,9 +500,13 @@ var ui_builder = function () {
       //todo this isn't quite working yet
       //typePatterns = typePatterns.concat(getPatternItems(patternlab, patternType));
 
-      //render the viewall template
+      //get the appropriate patternType
+      var anyPatternOfType = _.find(typePatterns, function (pat) {
+        return pat.patternType && pat.patternType !== '';});
+
+      //render the viewall template for the type
       var viewAllHTML = buildViewAllHTML(patternlab, typePatterns, patternType);
-      writeFile(paths.public.patterns + p.subdir + '/index.html', mainPageHeadHtml + viewAllHTML + footerHTML);
+      writeFile(paths.public.patterns + anyPatternOfType.patternType + '/index.html', mainPageHeadHtml + viewAllHTML + footerHTML);
 
       //determine if we should omit this patterntype completely from the viewall page
       var omitPatternType = styleGuideExcludes && styleGuideExcludes.length