Fixes some bugs
Implement selectable Magnetic course/bearing display mode. (FS#1025)
Correct potential fault on UTF8 encoding of XML hyperlinks attributes.
Implement plugin blacklisting, blacklist old versions of AIS Radar
Implement selective display of AIS target tracks. Sure deserves some mass operations in the target lists to handle busy spots...
Implement a CL switch to start fullscreen
Improve Options->Connections port management to avoid unnecessary closing and re-opening of ports.
On Windows, perform simple test of OpenGL functionality before enabling globally.
Merge branch 'master' of github.com:OpenCPN/OpenCPN
Corrected some missing translatable strings.
Avoid non-fatal assertion warning on Mac platforms.
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN
Correct TrackProperties Dialog Z-order.
Validate existence of chart stack to avoid asynchronous fault.
Avoid potential fault on non-existing thumbnail window
Correct Bluetooth (Windows) port initialization timing (FS#1006)
Add Log message just prior to OpenGL initialization.
Always render ownship as yellow when chart accuracy is known to be low. (FS#1116)
Correct Options->AIS CPA/TCPA warning checkbox logic (FS#965)
Improve Air Temperature rendering