Seperate AddArtist, Artist. Refactor NavSearch, Artist Editor. Other

Misc UI Fixes

src/UI/Artist/TrackModel.js

@@ -0,0 +1,20 @@
+var Backbone = require('backbone');
+
+module.exports = Backbone.Model.extend({
+    defaults : {
+        seasonNumber : 0,
+        status       : 0
+    },
+
+    methodUrls : {
+        'update' : window.NzbDrone.ApiRoot + '/episode'
+    },
+
+    sync : function(method, model, options) {
+        if (model.methodUrls && model.methodUrls[method.toLowerCase()]) {
+            options = options || {};
+            options.url = model.methodUrls[method.toLowerCase()];
+        }
+        return Backbone.sync(method, model, options);
+    }
+});