ITK documentation fixes from @iMichka

See scifio/scifio-imageio#11
cpp: bioformats: Correct exception message in FormatHandler
cpp: bioformats: Document absence of CoreMetadata construction from reader
cpp: bioformats: FormatReader::isUsedFile does not throw boost::filesystem::filesystem_error
cpp: bioformats: CoreMetadata sets bitsPerPixel to 0

This makes it default to the pixel type size, or else it
would be inconsistent.
cpp: bioformats: Add CoreMetadata and Modulo stream operators
cpp: bioformats: Correct used files signatures in FormatReader
cpp: test: Add FormatReader testcase
merge develop -D org: PR 857 (Initial support for Zeiss .lms files)
merge develop -D org: PR 858 (Initial support for Veeco AFM data)
merge develop -D org: PR 981 (Ignore namespaces when filling in an XMLAnnotation's Value)
merge develop -D org: PR 983 (Woolz: make sure the service is initialized when calling openBytes (rebased onto develop))
merge develop -D org: PR 985 (Updating transform catalog for 2013-10-dev-1)
merge develop -D org: PR 990 (Memoization fixes (rebased onto develop))
merge develop -D org: PR 991 (Only add a MetadataOnly element if no TiffData elements are present)
merge develop -D org: PR 999 (Fix for single channel  meas_mode 13 data (rebased onto develop))
merge develop -D org: PR 1001 (New time docs and samples)
merge develop -D org: PR 1004 (Update docs regarding BF and Eclipse (see #12127). (rebased onto develop))
merge develop -D org: PR 1005 (ND2: always set the field index to 2 (rebased onto develop))
merge develop -D org: PR 1006 (Read internal pyramids from CellSens .vsi data (rebased onto develop))