* better clearSelections() for 2D/3D
* extrusion dialog (#4633)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37137 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
A(1|2|3) instead of A=(1|2|3)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37138 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e