param: fixed "param diff"
rcsetup: calibrate 4 channels by default
lib: moved mp_widgets and mp_image to lib from map
log: cope with new pymavlink array handling
mavflightview: cope with bad data at end of log
mp_image: added report_size_changes option
mp_image: added default menu
mp_settings: added last_change() method
speech: added support for espeak output
console: added AHRS status flag
serial: cope with new python array API
map: show default popup as well as object popups
map: fixed right click for fly-to position
added misc module

clean out main program a bit more
misc: added QNH altitude information
improved support for python3
run reindent for python3 happiness
lib: reindent for python3
python3 won't work yet - no WX libs available yet
prevent "GPS lock at 0 meters" announcement