Set capture only when the mouse is down.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37900 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Move tool update - on drag - move the canvas/ on double click (second click hold) drag - selection rectangle/ on right click drag selection rectangle with context menu 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37901 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fixed export image name for a.b.c.ggb

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37902 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Less debugging

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37903 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e