Bump version to 0.1.2
Bump version to 0.1.2

pierec/python-gcm,yrcjaya/python-gcm,MichiganLabs/python-gcm,gardenia/python-gcm,geeknam/python-gcm,anthonysutardja/python-gcm,gabriel-laet/python-gcm,drayanaindra/python-gcm