WIP: Client Side Migration

Branch: funnelferry/mss:GSOC2019-funnelferry
Branch: wxmetvis/mss:GSOC2019-funnelferry
Merged
Merged pull request
Merged in funnelferry/mss/GSOC2019-funnelferry (pull request #656)
Merged in funnelferry/mss/GSOC2019-funnelferry (pull request #656)
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