Bump stdlib dependency from >=2.3.0 to >=3.2.0

Most puppet components are already using >=3.2.0, this commit will
standardize the requirements.

Change-Id: Iad8ece12f7e05717731f0f071644ac4addfb4ce9
Merge "Bump stdlib dependency from >=2.3.0 to >=3.2.0"