Replace DOI status READY with CREATED
Consolidate StackConfiguration to EzidConstants
Fix incorrect documentation
Missed one
Refactor RetryableHttpClient into its own class
Add CREATED to the DOI table to fix test errors
Merge pull request #407 from xschildw/PLFM-1859-2

Missed one
Merge pull request #404 from eric-wu/develop

PLFM-1808, PLFM-1856 (partial)
Merge pull request #408 from xschildw/PLFM-1859-2

Missed one
PLFM-267: changes to allow changing of email address. modified workflow.  do not change email until after validation. added new auth service layer, and autowired usermanager to do the Synapse backend work, and Crowd api to do the auth user change
Add an async client to the DOI resolution service
Make resolve() a non-blocking call
Add READY status for DOI creation
Simplify the get() method API
PLFM-1834 Make the callback handle a method parameter
Increate integration test deployment timeout
Add mocked tests
Suppress deprecation warnings in tests
Mock the DOI clients for better testing
Merge pull request #409 from eric-wu/develop

PLFM-1856 Implement the READY status and PLFM-1834