orthogonalLine(2D point, 2D line) will use xOy plane iff 3D view is active euclidian view

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33012 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Simplify tool selection when no submenu is present

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33013 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4207 Axes Options Panel skeleton GUI (no events handled) for Basic tab

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33014 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e