Add support for the toXml() method in string and lodash plugins.

Author: javadev

lodash-plugin/checkstyle.xml

@@ -20,6 +20,7 @@
     <module name="FileLength">
       <property name="fileExtensions" value="java"/>
       <property name="severity" value="warning"/>
+      <property name="max" value="2500"/>
     </module>
     <module name="RegexpSingleline">
       <property name="format" value="\s+$"/>

lodash-plugin/pom.xml

@@ -192,6 +192,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>
+        <version>3.5</version>
             <configuration>
                 <targetJdk>1.6</targetJdk>
                 <rulesets>