Language GUI Styling, Subtoolbar

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32597 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Changes in Toolbar

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32598 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3456: partial support for StemPlot in Web (stem plot key is not working yet, low and high should be rounded to one decimal place)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32599 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e