[giac] fix for coordinates (a,b) -> (0,0), (sqrt(5),sqrt(5)) -> decimal

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24821 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] fix for Numeric + Degree

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24822 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] fix for topolar

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24823 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changing giac.js to the latest version in web/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24824 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e