Fix for SetTrace[C,true],SetTrace[C,false]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37599 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[cas] use ggbarg0 instead of multiple %0s etc

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37600 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e