Added GitHub event feed data fetching

feeds/github.js

@@ -0,0 +1,25 @@
+'use strict';
+
+var request = require('superagent');
+var config = require('../lib/config');
+var Promise = require('bluebird');
+
+module.exports = {
+  /**
+   * Fetch five latest events from GitHub organization
+   */
+  getEvents: function() {
+    return new Promise(function(resolve, reject) {
+      request
+      .get('https://api.github.com/orgs/koodiklinikka/events?per_page=5')
+      .set('Authorization', 'token ' + config.github.token)
+      .end(function(error, response){
+        if(error) {
+          reject(error);
+        }
+
+        resolve(response.body);
+      });
+    });
+  }
+};