[api2] Return integer timestamp of event api
[api2] Return integer timestamp of event api

miurahr/seahub,madflow/seahub,madflow/seahub,cloudcopy/seahub,miurahr/seahub,cloudcopy/seahub,Chilledheart/seahub,Chilledheart/seahub,Chilledheart/seahub,madflow/seahub,miurahr/seahub,madflow/seahub,Chilledheart/seahub,madflow/seahub,cloudcopy/seahub,miurahr/seahub,cloudcopy/seahub,Chilledheart/seahub