consolidate and correct use of gllinewidth
fix stat window for wx-3.0 and remove unneeded yields
support interpolation for moving gribs
improve interpolation for vector datatypes to use polars instead of vector
fix rendering for plugin version 1.11, and fix normalize viewport routine
avoid rarely occuring assert when switching to non-opengl mode
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN
forward declare class for windows platforms
enable compiler optimizations for texture compression libraries by default
fix memory leak
remove unused code and clean up gshhs
optimize coastline crossing routine
Merge pull request #135 from seandepagnier/master

several small improvements. the memory leak fix is important