updated tiff data extration for dsc-392.
merged in latest changes.
added unit test for tiff data population.
Merge remote-tracking branch 'origin/master' into dsc-392
updated tiff extraction and population rules.
added Tiff data service unit test.
Merge remote-tracking branch 'origin/master' into dsc-392
updated to latest changes.
added subject for unit test.
allow tiff metadata to be populated to all copies of mimetype image/tiff
merge in latest changes.
code clean up.
code cleanup.
minor update.
fixed unit tests for tiff.
Merge remote-tracking branch 'origin/master' into dsc-392
minor update.
Merge pull request #614 from nla/dsc-392

Dsc 392