Correct typo in MAC build instructions
Merge branch 'master' into beta31_stable
Fix FS#891 and two more bugs in ownship dimension settings.
Fix FS#884: Implement line styles in OpenGL mode for ocpnDC.
FS#891 More detailed error messages for ownship settings.
More FS#891, previous patch made Default icon unreachable.
Fix screen garbage from Ownship repaint when real scale ship is used.
Fix AIS & Route rollovers do not obey font setting.
After a truly Epic adventure, the French/Swedish window resizing ninjas presents: THE DASHBOARD REBORN

Features:
 - resizable dashboards
 - context menu
 - timer controller refresh (every 1s)
 - new color scheme, can be styled through chartsymbols.xml
 - instrument unit defined from nmea input
 - new compass dial (HDT), old compass (COG) renamed to "GPS Compass"
 - pretty moon phase display
 - AWA dial obsoleted (duplicate with AWA+AWS dial)
 - cleaner wind instrument naming
Implement new intelligent dynamic tracking method
Resurrect some of the UpdateShip() logic from "Ownship Garbage" commit.
It is needed on MSW.
Include last leg of running track in UpdateShip rectangle
Moon phases are seen "upside-down" in the southern hemisphere
Fix various crashes if Track Properties open on running track.
Correct for inactive openGL context.
Fix Dashboard GDI Object leak causing crash after an hour on Windows.
AIS: Recognise HighSpeedCraft with navstatus Underway using Engine
Fix tracking bug, number of points not updated when removing points.
Fix True Wind Direction / Angle mixup
Cleanup AWA, TWA & TWD sentences gone wrong. Remove unavailable AWD instrument (not released, so should not be a problem)