Correct and harmonize raster chart region calculation for skewed charts.
Set OpenGL texture compression options to default "OFF"
corrections to opengl route rendering
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN into optimum-merging
Correct S52Plib raster symbol table initialization sequence.
Merge pull request #118 from seandepagnier/optimum-merging

Optimum merging -- improved corrections from chucksk for route rendering
Fix end of NMEA sentence received from a datastream in case no checksum is present
Correct OpenGL Route/Waypoint rendering logic
Merge branch 'master' of github.com:OpenCPN/OpenCPN
Correct canvas Refresh() logic when OpenGL FBO is in use.
Eliminate flashing on Windows OpenGL canvas rollover & Refresh().
fix builtin region class to use because of memory corruption issues with wxRegion class
fix color swapping issue for each mipmap level for compressed textures in windows
fix build to work without wxUSE_GRAPHICS_CONTEXT
fix build to work without ocpnUSE_GL
Fix memory leak
Merge pull request #120 from seandepagnier/optimum-merging

Optimum merging -- more bug fixes
Merge pull request #117 from nkiesel/master

use feet for short distances if selected unit is miles
Add dashboard instrument showing distance and bearing between own ship and the cursor