Changing giac.js to the latest version in web/kickstart.xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36666 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
long stylebars fixed (cas/spreadsheet)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36667 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Highlight separator when resizing views (helpful on tablets)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36668 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e