Merge pull request #766 from dburdick/swc-1091

swc-1091 - add belltown to whitelist for prototyping
SWC-1128
Merge pull request #769 from jay-hodgson/release-26

SWC-1128: support clean input
Merge branch 'release-26' of ssh://github.com/Sage-Bionetworks/SynapseWebClient into develop
Merge pull request #770 from jay-hodgson/develop

merge from release-26