The Email address should be dynamic

File：https://github.com/Gottwik/enduro_mirror/blob/master/pages/index.hbs
Line 86：
```
	<a class="btn" href="mailto:gottwik@gmail.com">Contact me</a>
```
should be：
```
        <a class="btn" href="mailto:{{contact_email}}">Contact me</a>
```