ICS: fix potential NPE
Add method to disable YCbCr correction for JPEG TIFFs

This is what 49a3ec6455e2bb4ed846cc8d65ea04a4ec5e0b99 should have done.
merge dev_4_4 --exclude conflict needs-fixes broken: PR 328 (Sprint 4 bug fixes, part 2)
merge dev_4_4 --exclude conflict needs-fixes broken: PR 334 (Use better schema documentation links)
merge dev_4_4 --exclude conflict needs-fixes broken

Repository: openmicroscopy/bioformats
Updating 03770c0..f290d28
Merged PRs:
  # PR 328 melissalinkert 'Sprint 4 bug fixes, part 2'
  # PR 334 melissalinkert 'Use better schema documentation links'

Generated by OMERO-merge-4.4#113 (http://hudson.openmicroscopy.org.uk/job/OMERO-merge-4.4/113/)