File content as of revision 0:13b14c71d29e:

Port of an Arduino library for Mbed by Marc PLOUHINEC (m_plouhinec@yahoo.fr).
Last update: 27/06/2015

The original code is available here: https://github.com/adafruit/Adafruit_FONA_Library

Original README.TXT file content:
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Adafruit_FONA_Library
=====================

**This library requires Arduino v1.0.6 or higher**

This is a library for the Adafruit FONA Cellular GSM Breakouts etc

Designed specifically to work with the Adafruit FONA Breakout
  * https://www.adafruit.com/products/1946
  * https://www.adafruit.com/products/1963
  * http://www.adafruit.com/products/2468
  * http://www.adafruit.com/products/2542

These modules use TTL Serial to communicate, 2 pins are required to interface

Adafruit invests time and resources providing this open source code, 
please support Adafruit and open-source hardware by purchasing 
products from Adafruit!

Check out the links above for our tutorials and wiring diagrams 

Written by Limor Fried/Ladyada for Adafruit Industries.  
BSD license, all text above must be included in any redistribution
With updates from Samy Kamkar

To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_FONA 
Check that the Adafruit_FONA folder contains Adafruit_FONA.cpp and Adafruit_FONA.h

Place the Adafruit_FONA library folder your *arduinosketchfolder*/libraries/ folder. 
You may need to create the libraries subfolder if its your first library. Restart the IDE.