Fix StorageImpl.signUrl with object names starting with /#1013

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mziccard merged 2 commits intogoogleapis:masterfrom

mziccard:fix-signurl

May 17, 2016

Commits on May 16, 2016

Fix StorageImpl.signUrl with object names starting with /

Clément Denis
authored and
mziccard
committed
Add test for Storage.signUrl with object names starting with /
mziccard
committed