Add L.Icon.Name plugin
Show name for vesseles
Add style for names
Extend Marker.Rotate plugin
Fix error
Polish label indents
Merge pull request #127 from IanMayo/feature/eugene/show-name-for-vessels

Show name for vessels
Merge branch 'master' into feature/ian/mission_updates
demote the port exit missiong (fishing boats), Ed found it just a chore.
new mission guidance
new method to calculate distance from a line
introduce new behaviour to monitor passing across a line
minor correction to mission text
finish descriptions
allow specification of bonus achievement.  Update schema to reflect this
update from build