Replacing mozdef_lib by mozdef_client
Basically a: s/mozdef/mozdef_client

For use with your client-side code, change:
import mozdef

to:
import mozdef_client

This change clarifies that this library is for client-side code such as sending MozDef events.
Merge pull request #218 from gdestuynder/master

Replacing mozdef_lib by mozdef_client