5. Introduce generic functions, which allow to draw many text entries    with normal text or MathJax and than rescale them together.    Apply first for TLegend
5. Introduce generic functions, which allow to draw many text entries
   with normal text or MathJax and than rescale them together.
   Apply first for TLegend


git-svn-id: efc72b515289bf6091237c55ffba4ad9f5a86ba2@3089 bcbf6573-9a26-0410-9ebc-ce4ab7aade96

bellenot/jsroot,asseldonk/jsroot,bellenot/jsroot,asseldonk/jsroot,root-project/jsroot,root-project/jsroot,linev/jsroot,bellenot/jsroot,linev/jsroot