Also incorporate file name changes

Replace 35 seconds delay with 5 second delay

Missions were not completing successfully because they were waiting for
the current waypoint number to be 1 higher than was possible

Slows down estimate and allows for smaller values to be set

prevent a false fence active report on boot, and prevent the fence
from loading when it is not needed. This saves about 200 bytes of ram
on APM2 for most users