Excel.TypeProvider - added 1*provided type per worksheet/range. Uses closedXML > office 2007; office interop otherwise
Revert "Excel.TypeProvider - added 1*provided type per worksheet/range. Uses closedXML > office 2007; office interop otherwise"

This reverts commit 390d0bef5d8e964f3df294a31e66198a3d359936.
Excel.TypeProvider uses ClosedXML if office >=2007; interop if <2007

Will use ClosedXML if possible, office interop if necessary.
Added one type per worksheet/range, each with a 'Rows' provided type.
Adding the header row static parm. Aborted ....
Added headerRow static parameter