GetHyperspaceDetails from arbitrary location.
Sector view: Rename m_jumpLine to m_selectedLine; it connects to selected, not always to jump target.
Sector view: Factor out DistanceIndicator.
Sector view: Swap hyperspace target and selected system.
Sector view: Distance indicators also between current/selected and hyperjump target.
Sector view: Show sector coordinates in star detail box.
Sector view: Add filter for uninhabited system labels.
Do not check for HYPERSPACE flight state for non-anchored GetHyperspaceDetails().
Sector view: Show distance indications also when in hyperspace.
Merge remote-tracking branch 'lwho/sectorview_tweaks'