Renamed documentation html root page to index.html
Renamed documentation html root page to index.html

Change-Id: I59005b1fe2aeade42ce612c4e28c7566f742b3c1
Reviewed-by: Kim Gronholm <48e0d40fe5e2fc76008f07e0fdece8a523fc2690@nokia.com>

kobolabs/qtgraphicaleffects