bump loggregatorlib

ee7e78b No need for optional function parameters

automatic promotion by GoCD workflow Loggregatorlib/139 > UnitTests/2 > UnitTests
bump loggregatorlib

00d4959 Add CollectorRegistrarIntervalMilliseconds option to cfcomponent.Config

automatic promotion by GoCD workflow Loggregatorlib/140 > UnitTests/1 > UnitTests
Use changes from latest version of loggregatorlib

Signed-off-by: John Tuley <jtuley@pivotal.io>
Use new collector registrar

Signed-off-by: John Tuley <jtuley@pivotal.io>