Merge pull request #994 from john-hill/PLFM-2491

Plfm 2491
Fixes for PLFM-2504, PLFM-2498, and PLFM-2503
removed not used file
Merge pull request #997 from john-hill/PLFM-2498

Fixes for PLFM-2504, PLFM-2498, and PLFM-2503
Build fix
Merge pull request #998 from john-hill/PLFM-2498

Build fix
Merge pull request #999 from Sage-Bionetworks/release-27

Release 27