cpp: bioformats: Add FormatTools
cpp: bioformats: Add istream operator to PixelBuffer
cpp: FormatReader: Fix getZCTCoords interface
cpp: bioformats: Link with Boost.Filesystem and Boost.System
cpp: bioformats: Add additional FormatReader const qualifiers
cpp: bioformats: Add prefix to MetadataOptions::MetadataLevel enums
cpp: bioformats: Add FormatReader implementation