Upgrade HtmlUnit from 2.x to 3.x

[timja-bot]

This is an autogenerated PR for updating HtmlUnit

It follows the migration guide

Ping @timja if any questions

script source

[MarkEWaite]

Needs one additional class of change to adapt the Javadoc:

diff --git a/src/main/java/hudson/plugins/clover/CloverBuildWrapper.java b/src/main/java/hudson/plugins/clover/CloverBuildWrapper.java
index b94c3df..c2d363a 100644
--- a/src/main/java/hudson/plugins/clover/CloverBuildWrapper.java
+++ b/src/main/java/hudson/plugins/clover/CloverBuildWrapper.java
@@ -128,7 +128,7 @@ public class CloverBuildWrapper extends BuildWrapper {
     /**
      * Descriptor for {@link CloverPublisher}. Used as a singleton. The class is marked as public so that it can be
      * accessed from views.
-     * See <tt>views/hudson/plugins/clover/CloverPublisher/*.jelly</tt> for the actual HTML fragment for the
+     * See <code>views/hudson/plugins/clover/CloverPublisher/*.jelly</code> for the actual HTML fragment for the
      * configuration screen.
      */
     @Extension
diff --git a/src/main/java/hudson/plugins/clover/CloverPublisher.java b/src/main/java/hudson/plugins/clover/CloverPublisher.java
index 9b47e03..f6d2723 100644
--- a/src/main/java/hudson/plugins/clover/CloverPublisher.java
+++ b/src/main/java/hudson/plugins/clover/CloverPublisher.java
@@ -335,7 +335,7 @@ public class CloverPublisher extends Recorder implements SimpleBuildStep {
     /**
      * Descriptor for {@link CloverPublisher}. Used as a singleton. The class is marked as public so that it can be
      * accessed from views.
-     * See <tt>views/hudson/plugins/clover/CloverPublisher/*.jelly</tt> for the actual HTML fragment for the
+     * See <code>views/hudson/plugins/clover/CloverPublisher/*.jelly</code> for the actual HTML fragment for the
      * configuration screen.
      */
     @Symbol("clover")
diff --git a/src/main/java/hudson/plugins/clover/Ratio.java b/src/main/java/hudson/plugins/clover/Ratio.java
index 243420d..ae5b16a 100644
--- a/src/main/java/hudson/plugins/clover/Ratio.java
+++ b/src/main/java/hudson/plugins/clover/Ratio.java
@@ -6,7 +6,7 @@ import java.text.NumberFormat;
 import java.util.Locale;

 /**
- * Represents <tt>x/y</tt> where x={@link #numerator} and y={@link #denominator}.
+ * Represents <code>x/y</code> where x={@link #numerator} and y={@link #denominator}.
  */
 final public class Ratio implements Serializable, CoverageBarProvider {

[basil]

does not compile

[marek-parfianowicz]

Superseded by PR #46