Replace Chinese punctuation with English punctuation
Replace Chinese punctuation with English punctuation

Curly quotes(Chinese punctuation) usually input from Chinese input method.
When read from english context, it makes some confusion.

Change-Id: I0a74d3d02b031fa2e0b50419dd9d5f9494910be2

openstack/senlin,openstack/senlin,stackforge/senlin,stackforge/senlin,openstack/senlin