Add FileStorage abstraction for handling remote file storage - #193

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coordt wants to merge 7 commits into

stephenmcd:masterfrom

natgeosociety:file-storage

Commits on Feb 1, 2017

Add FileStorage abstraction for handling remote file storage and local file storage.
coordt
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8929483

Commits on Feb 16, 2017

Some storage services do not allow updating, and the r+ mode opens the file for updating
coordt
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890c335

Commits on Oct 9, 2017