[giac] testing fix for Solve.1

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24872 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
show the 'active' color in the stylingbar

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24873 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
History popup was drawn too low. - fixed (#3202)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24874 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
The most recent (bottom) should be selected first in the history popup - fixed (#3202)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24875 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix pdf export on Ubuntu 12.10

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24876 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
add getXml empty 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24877 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e