Updated UDP datastreams to be input, output or in/out similar to TCP
Correct AIS Target Query dialog "Create Waypoint" button behaviour (FS#1378)
Correct potential memory double-free error in compressed raster cache builder.
Additional checks for empty port and address fields in datastream options
More validation for network data connections
Correct memory leak on OpenGL compressed texture cache builder.
Correct OpenGL initialization messages
Check for file existence before deletion, to avoid warning message.
Correct OpenGL initialization to enable texture mapeed chart sysmbols.
Improve compressed raster chart texture computation logic.
Correct chart canvas initialization sequence to ensure early OpenGL setup
Correct font table entry error on locale change.
Merge pull request #128 from stripydog/master

Make UDP DataStreams Input, Output or Input/Out (like TCP DataStreams)
Language update.
Correct GPSCompassWin initialization sequence.
Improve OpenGL and ChartSymbols initialization sequence.