Update references to libFlayer

commands/add.js

@@ -1,4 +1,4 @@
-var libFlayer = require("../libFlayer.js");
+var libCore = require("../libCore.js");
 
 module.exports = {
   name: 'add',
@@ -13,7 +13,7 @@ module.exports = {
       var link = args[1];
       var category = args[2];
 
-      libFlayer.addSource(title, link, category, (err, result) => {
+      libCore.addSource(title, link, category, (err, result) => {
         console.log("Result from adding entry", result);
 
         if (result) {
@@ -22,8 +22,8 @@ module.exports = {
           message.reply(`${title} already exists in the list of RSS sources`);
         }
 
-        var sources = libFlayer.getSources();
-        libFlayer.loadFeeds();
+        var sources = libCore.getSources();
+        libCore.loadFeeds();
       });      
     } catch (err) {
       console.log(err);