Refactor OpenGL texture compression and cacheing
Merge branch 'texcache'
Improve build dependencies on gshhs.h
Correct merge/diff problems.
Correct for MSVC build
Improve RoutePropertiesDialog layout.
Enable Menu font size changes for Windows platforms.
Enable font size/face changes for S57 Object Query dialog
Apply Font style changes to persistent dialog without restart.
Improve color scheme logic for radio buttons, etc.
Convert "assert" to "wxASSERT" to correct build errors
Correct some compiler warnings
Improve shutdown screen dynamics for OpenGL
Correct texture cache map logic
Improve Texture factory memory management
Implement hi-definition zoom-in for OpenGL/Raster quilts
fix gshhs crossings with zero-segments, etc
3.3.1824
Merge branch 'master' of github.com:OpenCPN/OpenCPN