Bump trunk version to 0.10.0 to distinguish from stable 0.9 branch.
Bump trunk version to 0.10.0 to distinguish from stable 0.9 branch.

bdeluca/oiio,cwilling/oiio,cwilling/oiio,sambler/oiio,lgritz/oiio,jeremyselan/oiio,bdeluca/oiio,micler/oiio,scott-wilson/oiio,OpenImageIO/oiio,sambler/oiio,micler/oiio,bdeluca/oiio,YangYangTL/oiio,scott-wilson/oiio,sambler/oiio,mcanthony/oiio,micler/oiio,lgritz/oiio,lgritz/oiio,scott-wilson/oiio,cwilling/oiio,mcanthony/oiio,bdeluca/oiio,lgritz/oiio,sambler/oiio,micler/oiio,OpenImageIO/oiio,YangYangTL/oiio,YangYangTL/oiio,cwilling/oiio,mcanthony/oiio,scott-wilson/oiio,OpenImageIO/oiio,OpenImageIO/oiio,jeremyselan/oiio,mcanthony/oiio,YangYangTL/oiio,jeremyselan/oiio