use feet for short distances if selected unit is miles
use feet for short distances if selected unit is miles
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
avoid potential read of uninitialized memory
avoid potential read of uninitialized memory (2nd copy)
Correct Mac OpenGL compressed texture upload rules.
Merge pull request #121 from nkiesel/master

avoid potential read of uninitialized memory
Correct S57 Extended light sector display logic.
Correct S52PLIB color scheme initialization sequence for DC mode.
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN into mingw

Conflicts:
	plugins/dashboard_pi/src/instrument.cpp