Add displayName and description to PropertyMigration

src/main/java/jenkins/branch/PropertyMigration.java

@@ -202,6 +202,11 @@
             return !missing.isEmpty();
         }
 
+        @Override
+        public String getDisplayName() {
+            return Messages.PropertyMigration_MonitorImpl_DisplayName();
+        }
+
         public List<PropertyMigration<?, ?>> getPending() {
             List<PropertyMigration<?, ?>> result = new ArrayList<>(missing.size());
             for (PropertyMigration<?, ?> m : missing) {

src/main/resources/jenkins/branch/Messages.properties

@@ -31,6 +31,7 @@ NoTriggerBranchProperty.suppress_automatic_scm_triggering=Suppress automatic SCM
 NoTriggerProperty.strategy.indexing=For matching branches suppress builds triggered by indexing (continue to honor webhooks)
 NoTriggerProperty.strategy.events=For matching branches suppress builds triggered by webhooks (continue to trigger from indexing)
 NoTriggerProperty.strategy.none=For matching branches schedule all builds (nothing is suppressed)
+PropertyMigration.MonitorImpl.DisplayName=Folder Property Migration
 RateLimitBranchProperty.ApproxDaysBetweenBuilds=Approximately {0,choice,1\#a day|1<{0,number,integer} days} between builds
 RateLimitBranchProperty.ApproxHoursBetweenBuilds=Approximately {0,choice,1\#an hour|1<{0,number,integer} hours} between builds
 RateLimitBranchProperty.ApproxMinsBetweenBuilds=Approximately {0,choice,1\#a minute|1<{0,number,integer} minutes} between builds

src/main/resources/jenkins/branch/PropertyMigration/MonitorImpl/description.jelly

@@ -0,0 +1,4 @@
+<?jelly escape-by-default='true'?>
+<j:jelly xmlns:j="jelly:core">
+    ${%blurb}
+</j:jelly>

src/main/resources/jenkins/branch/PropertyMigration/MonitorImpl/description.properties

@@ -0,0 +1,24 @@
+#
+# The MIT License
+#
+# Copyright (c) 2018, CloudBees, Inc., Stephen Connolly.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+blurb=Allows administrators to migrate folder properties that have been deprecated in previous plugin releases.