SEARCH-2249 Allow automated updates to the copyright headers.

This can be done with the command:

mvn clean install -Dlicense.update.dryrun=false -DskipTests=true

(cherry picked from commit e184132fc8914d30691e753594b01cb60a076b6b)

pom.xml

@@ -36,6 +36,7 @@
       <solr.zip>https://artifacts.alfresco.com/nexus/content/repositories/public/org/apache/solr/solr/solr-${solr.version}/solr-solr-${solr.version}.zip</solr.zip>
       <solr.directory>${project.build.directory}/solr-${solr.version}</solr.directory>
       <licenseName>enterprise</licenseName>
+      <license.update.dryrun>true</license.update.dryrun>
    </properties>
    <modules>
       <module>search-services</module>
@@ -77,10 +78,12 @@
             <configuration>
                <addJavaLicenseAfterPackage>false</addJavaLicenseAfterPackage>
                <organizationName>Alfresco Software Limited</organizationName>
+               <canUpdateCopyright>true</canUpdateCopyright>
                <failOnMissingHeader>true</failOnMissingHeader>
                <failOnNotUptodateHeader>true</failOnNotUptodateHeader>
                <licenseResolver>classpath://alfresco</licenseResolver>
                <licenseName>${licenseName}</licenseName>
+               <dryRun>${license.update.dryrun}</dryRun>
                <roots>
                   <root>src</root>
                </roots>
@@ -94,7 +97,7 @@
                   <id>check-licenses</id>
                   <phase>compile</phase>
                   <goals>
-                     <goal>check-file-header</goal>
+                     <goal>update-file-header</goal>
                   </goals>
                </execution>
             </executions>