Adjusted file name and removed line break at the end of the file (#285)

core/resources.js

@@ -1037,7 +1037,7 @@ var resources = {
     },
     // WebComponents.js [Deprecated]
     'webcomponentsJS': {
-        'path': 'resources/webcomponentsjs/{version}/webcomponents-loader.jsm',
+        'path': 'resources/webcomponentsjs/{version}/webcomponents-loader.min.jsm',
         'type': 'application/javascript'
     },
     // Web Font Loader

modules/internal/targets.js

@@ -745,7 +745,7 @@ const ListOfFiles = {
     'underscore-min.jsm': 'Underscore.js',
     'urlize.jsm': 'urlize',
     'vue.min.jsm': 'Vue.js',
-    'webcomponents-loader.jsm': 'WebComponents Loader (JS)',
+    'webcomponents-loader.min.jsm': 'WebComponents Loader (JS)',
     'webfontloader.jsm': 'Web Font Loader',
     'wow.min.jsm': 'WOW'
 };