change DEA evacuation bail out time to 6 minutes
remove legacy directory server

[finishes #61846108]

Signed-off-by: Ruth Byers <rbyers@pivotallabs.com>
added integration test for deterministic evacuation
Register with the router while the instance is evacuating
bump evacuation timeout to 10 minutes
Port DropletRegistry
Start Port of Instance
Initial Resource Manager and StagingTask Registry
Create PidFile support
Add Nats support with additional fixes
Starting point with most of the code ported
Move hmac_helper
Got it all to compile finally!
Merged all changes up to 0d17af96f5f78e8cdb89cb67ace696f223aaf07b
Merge changes to 01e9612d6350c3818181d4cbeeba420e9656ed96
Rework loggers a bit
Add download test cases, rework sha1 as []byte as necessary
Add ginkgo & gomega
Add test cases for utils package
Fix code based on refactoring
Add tests for config