SPI builds to use clang-3.4.1
SPI builds to use clang-3.4.1

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