[giac] further fixes for solve

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27890 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@27891 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
FastButtons fix (working on iOS).
Removed all LAF handlers

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27892 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
NPE fix for r26193, applet size may be wrong, but at least something loads

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27893 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e