Splash ok now

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25217 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] Change for multivariate solve

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25218 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Paint grid by parts instead of erasing when axes are shown

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25219 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@25220 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e