Adds preferred callnumber, library and location to SMS

Closes #901 

```
Sent mail to 1112223333@txt.att.net (12.5ms)
Date: Tue, 16 Sep 2014 12:12:50 -0700
From: no-reply@xxx.xxx.xxx
To: 1112223333@txt.att.net
Message-ID: <xxx@xxx.xxx.mail>
Subject:
Mime-Version: 1.0
Content-Type: text/plain;
 charset=UTF-8
Content-Transfer-Encoding: 7bit

Campbell Biology
BIOLOGY - STACKS
QH308.2 .C34 2011
http://localhost:3000/view/9052324
```