#4635 firs-tool fix (gwt2.6.0)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37317 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
RealSense continued

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37318 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e