Woolz: make sure the service is initialized when calling openBytes

If planes are being opened after initialization from a memo file, the service may not have been
set up.  This attempts service initialization any time the service is null during an openBytes call.
merge dev_5_0 -D org: PR 915 (Fix for single channel  meas_mode 13 data.)
merge dev_5_0 -D org: PR 941 (Fix the download URL for stable release jars)
merge dev_5_0 -D org: PR 946 (Read internal pyramids from CellSens .vsi data)
merge dev_5_0 -D org: PR 952 (Memoization fixes)
merge dev_5_0 -D org: PR 957 (Correctly set Modulo annotations for multi-Image datasets (rebased onto dev_5_0))
merge dev_5_0 -D org: PR 958 (Flex: be more permissive in parsing IFDs and XML (rebased onto dev_5_0))
merge dev_5_0 -D org: PR 960 (Cache OME-XML between ImagePluses (rebased onto dev_5_0))
merge dev_5_0 -D org: PR 968 (Cellomics: a few fixes for single-file datasets (rebased onto dev_5_0))
merge dev_5_0 -D org: PR 969 (Woolz: make sure the service is initialized when calling openBytes)
merge dev_5_0 -D org

Repository: openmicroscopy/bioformats
Excluded PRs:
  # PR 951 ctrueden 'Fix up Bio-Formats POMs' (status: )
Already up-to-date.

Merged PRs:
  # PR 915 imunro 'Fix for single channel  meas_mode 13 data.'
  # PR 941 melissalinkert 'Fix the download URL for stable release jars'
  # PR 946 melissalinkert 'Read internal pyramids from CellSens .vsi data'
  # PR 952 melissalinkert 'Memoization fixes'
  # PR 957 melissalinkert 'Correctly set Modulo annotations for multi-Image datasets (rebased onto dev_5_0)'
  # PR 958 melissalinkert 'Flex: be more permissive in parsing IFDs and XML (rebased onto dev_5_0)'
  # PR 960 melissalinkert 'Cache OME-XML between ImagePluses (rebased onto dev_5_0)'
  # PR 968 melissalinkert 'Cellomics: a few fixes for single-file datasets (rebased onto dev_5_0)'
  # PR 969 melissalinkert 'Woolz: make sure the service is initialized when calling openBytes'

Generated by BIOFORMATS-5.0-merge-daily#761 (http://ci.openmicroscopy.org/job/BIOFORMATS-5.0-merge-daily/761/)