Sage-Bionetworks/Synapse-Repository-Services — pull request #404 by eric-wu (2013-04-30 19:32:31+00:00)
Title: PLFM-1808, PLFM-1856 (partial)

1) Replace the DOI status READY with a new status CREATED (part of PLFM-1856)
2) Refactor RetryableHttpClient into its own class
3) Handle the error where the doi already exists (PLFM-1808)