nouvelle version 4.1.1329

116. Implement SVG icons for GRIB control toolbar. Thanks, JP and Gilletarom
117. Implement scaled RoutePoint symbols in non-OpenGL mode.
118. Improve Routepoint dialog for scaled icons.
119. Allow GUI Scaled factor to reduce icon sizes for negative slider values.
120. Full documentation update. Thanks RGLeason and kb.

Release 4.1.1329(RC 3)

This is hopefully the final RC before release of O4.2.