A better "Read more" button

Modified following the [Wordpress Codex](http://codex.wordpress.org/Customizing_the_Read_More#Modify_The_Read_More_Link_Text).

If you think there's a better way to put it, just tell me and we can change it.


Before:
![old](https://cloud.githubusercontent.com/assets/5847145/3868561/e364bc70-204d-11e4-8740-dcb785fa6b60.jpg)

Now:
![new](https://cloud.githubusercontent.com/assets/5847145/3868564/ef104e22-204d-11e4-8d55-1222ec21af72.jpg)