4.9.147.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26010 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Compile fix (sorry again)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26011 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fix compile error (temporary fix)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26012 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
undo temporary fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26013 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] make Giac the default for applets

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26014 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e