Add functional methods for snapshots and Snapshot class#780

Merged

mziccard merged 4 commits intogoogleapis:compute-alphafrom

mziccard:compute

Mar 26, 2016

Commits on Mar 23, 2016

Add functional methods for snapshots and Snapshot class
mziccard
committed

Commits on Mar 24, 2016

Fix minor issues with functional snapshot methods and tests
mziccard
committed

Commits on Mar 25, 2016