[SVCS-826] S3 Compatablilty#351

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NyanHelsing wants to merge 6 commits intoCenterForOpenScience:developfrom

NyanHelsing:ft/s3-compat

Commits on Jun 13, 2018

Allow arbitrary host/port/encryption
NyanHelsing
committed

Commits on Jul 13, 2018

Use boto3 for s3 operations
NyanHelsing
committed

Commits on Jul 17, 2018

Commits on Jul 19, 2018

Adds logging and handle single request at a time
NyanHelsing
committed

Commits on Jul 30, 2018

Finalize changes to url signers
NyanHelsing
committed