VERSION: Increment to 11.27
CHANGE: Improve performance when route-finding for many ships at once (TurfIt)
CHANGE: Increase range before route-finding for ships gives up entirely (TurfIt)
Merge branch '11.x' into 12.x

Conflicts:
	simversion.h
Merge branch '12.x' into devel-new
Merge branch 'devel-new' into 112.5-merge

Conflicts:
	simconvoi.cc