fix "Reduce of empty array with no initial value"

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "mean",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "main": "dist/mean.js",
   "ignore": [
     ".tern-project",

component.json

@@ -1,9 +1,9 @@
 {
   "name": "mean",
-  "repo": "kordon/mean",
+  "repo": "ramitos/mean",
   "description": "Mean interval",
   "author": "Sérgio Ramos <http://sergioramos.me> (mail@sergioramos.me)",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "keywords": ["mean"],
   "main": "src/mean.js",
   "scripts": ["src/mean.js"],

package.json

@@ -1,14 +1,14 @@
 {
   "name": "mean",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Mean interval",
   "keywords": [
     "mean"
   ],
-  "homepage": "https://github.com/kordon/mean",
+  "homepage": "https://github.com/ramitos/mean",
   "author": "Sérgio Ramos <http://sergioramos.me> (mail@sergioramos.me)",
   "bugs": {
-    "url": "http://github.com/kordon/mean/issues",
+    "url": "http://github.com/ramitos/mean/issues",
     "email": "mail@sergioramos.me"
   },
   "license": "MIT",
@@ -18,7 +18,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git://github.com/kordon/mean.git"
+    "url": "git://github.com/ramitos/mean.git"
   },
   "scripts": {
     "test": "make test test-coveralls"

readme.md

@@ -3,17 +3,17 @@
 Get the mean from an array of numbers
 
 [![NPM version](https://badge.fury.io/js/mean.png)](http://badge.fury.io/js/mean)
-[![Build Status](https://secure.travis-ci.org/kordon/mean.png)](http://travis-ci.org/kordon/mean)
-[![Dependency Status](https://gemnasium.com/kordon/mean.png)](https://gemnasium.com/kordon/mean)
-[![Coverage Status](https://coveralls.io/repos/kordon/mean/badge.png?branch=master)](https://coveralls.io/r/kordon/mean?branch=master)
+[![Build Status](https://secure.travis-ci.org/ramitos/mean.png)](http://travis-ci.org/ramitos/mean)
+[![Dependency Status](https://gemnasium.com/ramitos/mean.png)](https://gemnasium.com/ramitos/mean)
+[![Coverage Status](https://coveralls.io/repos/ramitos/mean/badge.png?branch=master)](https://coveralls.io/r/ramitos/mean?branch=master)
 
 ## install
 
 ```bash
 $ npm install [--save] mean
 ```
 ```bash
-$ component install kordon/mean
+$ component install ramitos/mean
 ```
 ```bash
 $ bower install mean

src/mean.js

@@ -7,6 +7,7 @@
  * @returns {number}
  */
 module.exports = function (intervals) {
+  if(!intervals.length) return 0
   return intervals.reduce(function (prev, curr) {
     return prev + curr
   }) / intervals.length