[cas] y=2x plots with marble click

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35295 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Replace includesFunctionVariable by containsFunctionVariable

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35296 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
base StyleBar for Construction Protocol (web)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35297 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e