cuav: auto-enable compass on GPS loss
console: fixed estimated time to landing
cuav: display wind estimate
added basealt setting

allow announce of height above ground
console: show number of sats
cuav: more checks on takeoff/preflight
slipmap: change to Kingaroy by default
camera: added set_brightness() call
re-filter by score after boundary
added rcsetup module
slipmap: added --flag option
fixed battery status reporting
report when script doesn't exist
MAVProxy and modules: Windows compatibility fixes

Various fixes to MAVProxy and the map, console and srtm modules for
Windows compatibility. Batch files for launching MAVProxy in Windows
also included
fixed formatting
show mission ACK msgs
use .tlog extension, to be friendly for MP
fixed SRTM location string
added alias command

useful for class demos
fixed 16 character parameters