Transpose for arbitrary list of lists

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36220 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Less debugging

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36221 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Menu for Tablet (no 3D)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36222 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Snap to grid on 3D view for point on path/region

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36223 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
NPE fix for prob. calculator in Web

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36224 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e