Upgrade dropwizard.version to 2.1.0 #1562

Job	Run time
Build Reaper	5m 29s
Docker Image Tests (cassandra, docker)	6m 56s
Memory backends (binary:3.0.25, local, ccm)	16m 10s
Cassandra backend (binary:3.0.25, cassandra, ccm)	18m 50s
Memory backends (binary:3.11.16, local, ccm)	18m 57s
HTTP Management (binary:4.0.6, ccm, http-api, 1, 1)	24m 56s
Cassandra backend (binary:3.11.16, cassandra, ccm)	21m 40s
Memory backends (binary:4.0.6, local, ccm)	21m 10s
HTTP Management (binary:3.11.16, ccm, http-api, 1, 1)	22m 59s
Cassandra backend (binary:4.0.6, cassandra, ccm)	22m 35s
Flapping reapers (binary:4.0.6, cassandra, ccm, 4, 2, --tags ~@diag_event_subscriptions)	23m 2s
Each DC Availability (binary:4.0.6, cassandra, each, 1, 1)	19m 57s
Distributed tests (binary:3.0.25, cassandra, ccm, 2, 2)	18m 33s
Sidecar (binary:3.0.25, cassandra, sidecar, 1, 1)	15m 40s
Distributed tests (binary:3.11.16, cassandra, ccm, 2, 2)	21m 6s
Sidecar (binary:3.11.16, cassandra, sidecar, 1, 1)	15m 59s
Distributed tests (binary:4.0.6, cassandra, ccm, 2, 2)	23m 30s
Sidecar (binary:4.0.6, cassandra, sidecar, 1, 1)	18m 26s
Release Reaper	0s
	5h 35m 55s

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