Bridge Back-End Bootstrap

See below for bootstrapping instructions for Bridge Back-End developers:

• https://github.com/Sage-Bionetworks/BridgeServer2/wiki/bootstrap

• https://github.com/Sage-Bionetworks/BridgeIntegrationTests/wiki/Getting-Started

• https://github.com/Sage-Bionetworks/BridgeWorkerPlatform/wiki/Getting-Started

• https://github.com/Sage-Bionetworks/BridgeWorkerIntegrationTests/wiki/Getting-Started