Add a toolbar A little enhasment for the editor has been done.
Added a toolbar for set of buttons that was previously in a JPanel
and now it is in Jtoolbar in the editor

Change-Id: Ie04232e7824c051f272d69cc109eec0e70ccf921
Reviewed-on: https://gerrit.libreoffice.org/29806Reviewed-by: jan iversen <jani@documentfoundation.org>
Tested-by: jan iversen <jani@documentfoundation.org>