fix some 'scrutinizer' issues

lib/patternlibrary/build-docs.js

@@ -82,6 +82,7 @@ function buildDocs() {
                 
                 // build the doc page...
                 var pageSource = this.renderdocs(data);
+                /** global: Buffer */
                 file.contents = new Buffer(pageSource);
     
                 // Write new file to disk if necessary

lib/patternlibrary/load-data.js

@@ -18,10 +18,10 @@ module.exports = function(dir) {
 	
 	    if (ext === '.json' || ext === '.js') {
 	        delete require.cache[require.resolve(dataFiles[i])];
-	        data = require(dataFiles[i])
+	        let data = require(dataFiles[i])
 	    }
 	    else if (ext === '.yml') {
-	        data = yaml.safeLoad(fs.readFileSync(dataFiles[i]));
+	        let data = yaml.safeLoad(fs.readFileSync(dataFiles[i]));
 	    }
 	
 	    this.data[name] = data;

lib/patternlibrary/load-helpers.js

@@ -23,7 +23,7 @@ function loadHandlebarsHelpers (dir) {
 	        this.handlebars.registerHelper(name, helper);
 	    }
 	    catch (e) {
-	        console.warn('Error when loading ' + name + '.js as a Handlebars helper.', helper, e);
+	        console.warn('Error when loading ' + name + '.js as a Handlebars helper.', e);
 	    }
     }
 }

lib/patternlibrary/render-page.js

@@ -57,7 +57,7 @@ function renderPage ( page_src, page_target, data, markdown ) {
         pageSource = String(pageSource).replace('{__MDBODY__}', markdown);
     }
     
-    
+    /** global: Buffer */
     var filecontents = new Buffer(pageSource);