Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Correct skewed chart/course-up mode ViewPort angle calculation.
Correct possible fault on shutdown with temporary Menubar displayed.
Defer PlugIn tool initial toggle state selection until toolbar is Realized.
Correct pixel creep on repeated large scale ZoomToCursor/SmoothZoom ops.
Partially revert previous commit and 179e99e4f1c74aef0fa68c8c83303646b7e6bf9b
to correct smooth zoom-to-cursor ops.
Revert toolbar zoom tools and +/- key action in zoom-to-cursor mode.
Clear Particles structure when loading a new grib file
Move transparent toolbar selction to Options->Display->Advanced page.
Merge pull request #236 from Ptizef/master

Clear particles structure when loadind a new grib file