Merge pull request #1222 from brucehoff/release-40

PLFM-2722
Merge pull request #1226 from brucehoff/release-40

PLFM-2722
Merge pull request #1228 from brucehoff/release-40

PLFM-2722
working
extended csv support
PLFM-2725
PLFM-2725
Merge pull request #1233 from john-hill/PLFM-2390-e

Plfm 2390 e
Merge pull request #1235 from brucehoff/PLFM-2725

PLFM-2725
Merge branch 'release-40' into develop
Merge branch 'release-40' of https://github.com/Sage-Bionetworks/Synapse-Repository-Services into develop
Merge pull request #1236 from brucehoff/develop

Develop