splitting Renderer (for common)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32390 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
clean the code

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32391 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e