runway: Fix AFE
runway: Remove distance_start_m
runway: Remove unused "taxi" mode
runway: Announce distance runway end
runway: Fix AFE logic; Nasal does not understand A <= X <= B expressions
Merge remote-tracking branch 'upstream/master'
runway: No need to provide copilot_say if message is nil
runway: Remove have_been_in_air variable
runway: Do not emit landed-runway for opposite runway
Merge pull request #5 from onox/master

RAAS distance runway end + some fixes