Add keyboard fix so that pressing opposing roll, pitch or yaw keys together zeros movement.
Update Mac nightly script
Bump Mac-specific for OXZ indexing
Typo cleanup
JS interfaces to exhausts, flashers - closes #43

ship.exhausts
ship.flashers

Exhausts and flashers both have r/w .size property and .remove() method

Flashers might get some more properties later for colour/phase/etc.
[Mac] Add JS exhaust and flasher to Xcode project
Some more properties for flashers

.active , .color , .fraction , .frequency , .phase - all r/w
Flasher frequency can be == 0
Correctly unset wormhole record in ship AIs
.gitmodules
add docking mode
relative submodules
I\'ll get these bloody submodules right one day
I'll get these bloody submodules right one day #2
Added keyboard mod - roll locks if opposite key pressed
Added pitch and yaw to keyboard mod
Back out fix for problem that turned out to be due to my keyboard being dodgy rather than the code
Fix problem where if you look at a gui screen in docking mode, the dampers come into effect
remove ENABLE_DOCKMODE flag
Change stickmapper-dock-mode-toggle to stickmapper-oolite-dock-mode