Copter: increase sonar timeout to 1sec

Contributed by Julien Dubois.
Antenna: move up one directory
Tools: update build script for Antenna move
Antenna: update makefile for new location
AutoTest: update sim_vehicle for antenna move
Tools: build antenna tracker for firmware.diydrones.com
Copter: bug fix to rally point alt

rally point library uses absolute altitudes, we were passing in relative
altitudes which caused the vehicle to climb before heading to the rally
point
Rally: fix comment to clarify altitudes are absolute
Copter: AC3.2-rc5 version and release notes
AntennaTracker: fixed autodoc format errors
autotest: add AntennaTracker autodoc to autotest.diydrones.com/Parameters