Parametric parabolas

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34459 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make sure free conics are free when parametric

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34460 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e