XPS: support OpenXPS (as produced by Windows 8)
register SumatraPDF as potential .oxps handler
PDF: fix edge case in openjpeg fix (fixes issue 2159)
when cancelling file watching, don't wait in GetOverlappedResult() (hopefully fixes 2155 and 2147)
update translations
experimental: sketch a different approach to file watching
PDF: add space between footnote number and footnote text (fixes issue 2160)
PDF/XPS: fix potential heap overflow
better handle embedded documents in plugin mode (fixes issue 2163)
merge latest MuPDF update
PDF: directly use _wfopen instead of fopen(_wopen())
update translations
update releasenotes.txt
note 2.2.1 release day
TGA: correctly reject images with insufficient data
PDF: fix rounding edge case in decomp_image_banded
support TIFF in BitmapSizeFromData
tweak TGA compression algorithms
follow-up to r7243
don't compress TGA data if that increases file size