Update DaemonSet API for rollback and history

1. Add revisionHistoryLimit (default 10), collisionCount, and validation code
2. Add daemonset-controller-hash label, and deprecate templateGeneration

pkg/api/testing/fuzzer.go

@@ -553,6 +553,11 @@ func extensionFuncs(t apitesting.TestingCommon) []interface{} {
 				}
 			}
 		},
+		func(j *extensions.DaemonSetSpec, c fuzz.Continue) {
+			c.FuzzNoCustom(j) // fuzz self without calling this function again
+			rhl := int32(c.Rand.Int31())
+			j.RevisionHistoryLimit = &rhl
+		},
 		func(j *extensions.DaemonSetUpdateStrategy, c fuzz.Continue) {
 			c.FuzzNoCustom(j) // fuzz self without calling this function again
 			// Ensure that strategyType is one of valid values.