AntiMap Log: add altitude & accelerometer

[trentbrooks]

Add altitude to the recorded stats, as the 8th parameter. Should be an easy update to make, but requires implementation and testing to see if it works correctly.

Also other stats to add which would be of use could be accelerometer data?

Reference docs:
ios- http://developer.apple.com/library/ios/#documentation/CoreLocation/Reference/CLLocation_Class/CLLocation/CLLocation.html

android- http://developer.android.com/reference/android/location/Location.html