bump loggregatorlib

automatic promotion by GoCD workflow Loggregatorlib/3 > UnitTests/1 > UnitTests
bump loggregator_consumer

automatic promotion by GoCD workflow LoggregatorConsumer/1 > UnitTests/1 > UnitTests
automatic promotion by GoCD workflow Loggregator/53 > IntegrationTests/1 > IntegrationTests

tests passed against https://github.com/cloudfoundry/cf-release/commit/e6a3d639b5be0da03ae790f83b6e311c66ea332e