Further refinements to PlugIn API 1.11
Correct for missing COG in NMEA VTG message (FS#1243)
Correct cross-platform Printf formatting of size_t item.
Reduce minimum sector light display from 0.5 degrees to 0.3 degrees.  (FS#1271)
Improve ENC quilt dynamics (FS#1221)
Merge pull request #84 from Ptizef/master

Add a function to center and zoom on the overlay ( #FS 1234 )
Correct RouteProperties dialog deprature time shortcut key ">" behaviour. (FS#1262)
Correct AIS SART logic to not alert on simple SART test. (FS#1245)
Correct Mac MessageBox Z-order as child of dialog.
Correctly render GRIBs in Course-Up mode (FS#1227)
Add missing functions to PlugIn API 1.11 (FS#1254)