Added the missing getInstantAnswer plugin

plugins/getInstantAnswer.js

@@ -0,0 +1,40 @@
+var Promise = require('promise');
+var DDG = require('node-ddg-api').DDG;
+
+module.exports = function(config) {
+
+	var ddg = new DDG('kulmapaikka-ircbot');
+
+	var getAnswer = function(queryText) {
+		var promise = new Promise(function(resolve, reject) {
+			ddg.instantAnswer(queryText, {skip_disambig: '0'}, function(error, response) {
+				if(!error) {
+					var str = '';
+					if(response.AbstractText !== '') {
+						var text = '';
+						if(response.AbstractText.length > 350) {
+							text = response.AbstractText.substring(0, 350-response.AbstractURL.length) + '...';
+						} else {
+							text = response.AbstractText;
+						}
+						
+						str = 'Vastaus: ' + text + '" | ' + response.AbstractURL;
+						resolve(str);					
+					}
+					else if(response.RelatedTopics.length > 0) {
+						str = 'Vastaus: "' + response.RelatedTopics[0].Text + '" | ' + response.RelatedTopics[0].FirstURL;
+						resolve(str);
+					} else {
+						reject();					
+					}
+				} else {
+					reject();
+				}
+			});
+
+		});
+		return promise;
+	};
+
+	return getAnswer;
+};