Angle[ 3D vector], Angle[ 3D point ]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32759 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Stylebar triangles change now direction when opening and closing
drag icon added
close icon now available in DockPanelW

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32760 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Stylebar triangles change now direction when opening and closing
drag icon added
close icon now available in DockPanelW

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32761 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Stylebar triangles change now direction when opening and closing
drag icon added
close icon now available in DockPanelW

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32762 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Stylebar triangles change now direction when opening and closing
drag icon added
close icon now available in DockPanelW

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32763 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e