Please convert all usages of System.out.println to proper log statements:

ubdir affinity/
Running command: grep -rn System.out .
./affinity/api/src/main/java/org/opendaylight/affinity/affinity/AffinityGroup.java:98: System.out.println("Printing affinity group " + this.name);
./affinity/api/src/main/java/org/opendaylight/affinity/affinity/AffinityIdentifier.java:26: System.out.println(name);
./affinity/api/src/main/java/org/opendaylight/affinity/affinity/AffinityLink.java:84: System.out.println("Printing affinity attribute: " + attr.type);
./affinity/api/src/test/java/org/opendaylight/affinity/affinity/AffinityGroupTest.java:35: System.out.println(ret3);
./affinity/api/src/test/java/org/opendaylight/affinity/affinity/AffinityGroupTest.java:58: System.out.println("Affinity group size is " + ag1.size());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:50: System.out.println(ret3);
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:72: System.out.println("Affinity group size is " + ag1.size());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:111: System.out.println("affinity link " + al3.getName());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:115: System.out.println("flow with from=" + flow.getKey() + " to=" + flow.getValue());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:121: // System.out.println("Affinity group (as Hosts) = " + ag1.getName());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:125: // System.out.println("host = " + h.getNetworkAddressAsString());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:129: System.out.println("Affinity group (as Affinity Identifiers) = " + ag1.getName());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:137: System.out.println("Affinity link = " + al1.getName());
./affinity/implementation/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerImplTest.java:141: System.out.println("flow " + "from: " + flow.getKey().toString() + "to: " + flow.getValue().toString());
./affinity/integrationtest/src/test/java/org/opendaylight/affinity/affinity/internal/AffinityManagerIT.java:112: System.out.println(">>> " + b[i].getSymbolicName() + " " + stateToString(state));