Make submodule references relative
Dead stations do not allow docking. Should fix oddity reported by Wyvern Mommy in Nova mission.

git-svn-id: http://svn.berlios.de/svnroot/repos/oolite-linux/trunk@5677 127b21dd-08f5-0310-b4b7-95ae10353056
Padding on parcel contracts still wasn't quite sufficient for really short trips, which could expire before you got to the station. Add four hours to deadlines.

git-svn-id: http://svn.berlios.de/svnroot/repos/oolite-linux/trunk@5678 127b21dd-08f5-0310-b4b7-95ae10353056
Merge branch 'maintenance/1.77'

Conflicts:
	.gitmodules
Remove support for Mac OS X 10.5 and 32-bit Macs

- Bump deployment target to 10.6
- Bump SDK to 10.8
- Remove i386 architecture
- Remove legacy full screen controller
- Remove OOLITE_MAC_OS_X_10_6 macro (would always be 1)
- Update xibs
- Bump Mac-specific submodule for equivalent changes