Require greenlet 0.3.2 (or later)
Require greenlet 0.3.2 (or later)

Version 0.3.2 resolves a bug that allowed generic "except
Exception:" clauses to catch GreenletExit exceptions.

bug 1097203

Change-Id: Ifc5a40dd1da8d115ccbe7fa4a948d12ff1c89099

hareeshpc/networking-cisco,Gitweijie/first_project,CiscoSystems/networking-cisco,noironetworks/networking-cisco,openstack/networking-cisco,nikolay-fedotov/networking-cisco,Tehsmash/networking-cisco-nexus,Tehsmash/networking-cisco-apic,Tehsmash/networking-cisco,noironetworks/networking-cisco,cisco-openstack/networking-cisco,cisco-openstack/networking-cisco,Tehsmash/networking-cisco,Gitweijie/first_project,hareeshpc/networking-cisco,openstack/networking-cisco,CiscoSystems/networking-cisco