Adding the bosh scripts to loggregator [#75068872]

Signed-off-by: Johannes Tuchscherer <jtuchscherer@pivotallabs.com>
add metron agent with basic varz monitoring

[#74962420]

Signed-off-by: Joseph Rodriguez <jrodriguez@pivotallabs.com>
automatic promotion by GoCD workflow LoggregatorIntegrationTest/39 > IntegrationTests/2 > IntegrationTests

tests passed against https://github.com/cloudfoundry/cf-release/commit/4bc32b0d789dbcb957e968d67f43c76b02847122