Update CopyRequest to check target content type#309

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aozarov merged 2 commits intogoogleapis:masterfrom

mziccard:copy-request-check-target

Oct 30, 2015

Commits on Oct 29, 2015

Update CopyRequest to check target content type
mziccard
committed

Commits on Oct 30, 2015

Use checkArgument instead of throw, better javadoc
mziccard
committed