Merge pull request #1188 from mtbc/afi-metadata

AFI: populate magnification and physical pixel size metadata (rebased from develop)
merge dev_5_0 -D org: PR 1196 (Close IFormatReader copy if not to be used)
merge dev_5_0 -D org

Repository: openmicroscopy/bioformats
Updating e598e14..607705e
Merged PRs (fast-forward):
  # PR 1188 mtbc 'AFI: populate magnification and physical pixel size metadata (rebased from develop)'

Merged PRs:
  # PR 1196 joshmoore 'Close IFormatReader copy if not to be used'
Generated by OMERO-5.0-merge-push#85 (http://ci.openmicroscopy.org/job/OMERO-5.0-merge-push/85/)