Changing javagiac.dll's to the latest version in desktop/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28552 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@28553 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #2487: fixed a minor issue that didn't fix the main bug

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28554 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e