Correct chartsymbols loading for non openGL builds.
Improve multithread GL texture cache dialog.
Correct PlugIn API implementation for plugin vector chart context.
Update chart directory change signature on single chart add.
Correct for Mac OSX fault on glDelete texture zero.
Clear sorted chart index before raster cache update.
Avoid applying zero length changes file.
Avoid file rotation and File Not Found message if navobj.xml.1 does not exist.
Correct VBO data size allocation.