Merge pull request #8 from darrensi/master

Support for HTTP POST
Retrieve incoming call phone number
added pickUp call to FONA
fixed repeated case for pickup in test and added getBattPercent() to get charge percentage
Updated menu character for pickUP
Update Adafruit_FONA.cpp
add example for caller's phone number retrieve

Pin 2 (interrupt 0) used for FONA RI incoming call interrupt
Pin 3 and 4 used for serial communication with the FONA
Merge pull request #10 from darrensi/master

Add support for getting/syncing time
Merge pull request #15 from aelfakih/master

added pickUp call to FONA
Fix whitespace and update description in incoming call example.
Switch goto to while loop.
Merge branch 'thomasricci-master'