Fix HtmlUnit version.

Author: henryju

pom.xml

@@ -284,7 +284,7 @@
             <dependency>
                 <groupId>net.sourceforge.htmlunit</groupId>
                 <artifactId>htmlunit</artifactId>
-                <version>1.12-SNAPSHOT</version>
+                <version>1.11</version>
             </dependency>
             <dependency>
                 <groupId>regexp</groupId>