Changes since Alpha4:

• Corrected D800E visible area
• Support for DNGs made from Fuji X-Pro1 RAWs
• updated RawSpeed's camera list to r479
• Win32/C-API: libraw_open_wfile/libraw_open_wfile_ex() calls
• New warning flag LIBRAW_WARN_RAWSPEED_UNSUPPORTED, this bit in process_warnings is set (with LIBRAW_WARN_RAWSPEED_PROBLEM) if RawSpeed's checkSupported() fails.
• Disabled RawSpeed processing of several RAW formats (incorrectly unpacked)