Fixed a bunch of warnings that have popped up after updating Jackson.

...ightcontroller/accesscontrollist/web/ACLRuleResource.java

...ghtcontroller/core/internal/OFSwitchHandshakeHandler.java

...net/floodlightcontroller/core/web/SwitchRoleResource.java

.../floodlightcontroller/firewall/FirewallRulesResource.java

...dlightcontroller/firewall/FirewallSubnetMaskResource.java

...et/floodlightcontroller/loadbalancer/MembersResource.java

...t/floodlightcontroller/loadbalancer/MonitorsResource.java

.../net/floodlightcontroller/loadbalancer/PoolsResource.java

...a/net/floodlightcontroller/loadbalancer/VipsResource.java

...oodlightcontroller/staticflowentry/StaticFlowEntries.java

.../java/net/floodlightcontroller/testmodule/TestModule.java

...net/floodlightcontroller/virtualnetwork/HostResource.java

.../floodlightcontroller/virtualnetwork/NetworkResource.java

src/main/java/org/sdnplatform/sync/client/SyncClient.java

...java/org/sdnplatform/sync/internal/rpc/TProtocolUtil.java

...rg/sdnplatform/sync/internal/version/ChainedResolver.java