Merge pull request #1277 from brucehoff/PLFM-2778

Plfm 2778
Merge pull request #1278 from brucehoff/PLFM-2771

Plfm 2771
PLFM-2486
PLFM-2486
PLFM-2486
PLFM-2486
PLFM-2486
check
PLFM-2486
PLFM-2486
Merge branch 'release-43' of https://github.com/Sage-Bionetworks/Synapse-Repository-Services into develop
Merge branch 'develop' into PLFM-2486
PLFM-2486
worker working
PLFM-2486
Merge pull request #1285 from john-hill/PLFM-2730-b

Plfm 2730 b
Do not re-process EOF exception
Merge pull request #1286 from xschildw/PLFM-2784

PreviewWorker: Do not re-process EOF exception
fixed
Merge pull request #1287 from john-hill/PLFM-2785

fixed