didn't have enough precision.
Found all (most) of the gps coord to string conversions and used a constant
to insure all conversions occur with the same precision.
Signed-off-by: Greg Lonnon <greg.lonnon@gmail.com>
A menu option to upload ride files to the Strava website.
Original code from Justin Knotzke ported to v3 by
Damien Grauser.
If the ride has already been uploaded the upload menu
option is disabled, once uploaded a tag is set in the ride
with the strava id.
Fixes#519.
