Required to display user interface of Solver Tool. Initial upload.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@30383 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/dtml/explainSolverTool.dtml

+<dtml-var manage_page_header>
+<dtml-var manage_tabs>
+
+<p>SolverTool is a store of solver processes which
+are used to solve divergences in deliveries and 
+to optimise deliveries.</p>
+
+<dtml-var manage_page_footer>