[MJAVADOC-638] upgrade Doxia Sitetools to 1.9.2 to remove dependency …

…on Struts (#39)

Signed-off-by: olivier lamy <olamy@apache.org>

pom.xml

@@ -69,7 +69,7 @@ under the License.
     <javaVersion>7</javaVersion>
     <mavenVersion>3.0</mavenVersion>
     <doxiaVersion>1.7</doxiaVersion>
-    <doxia-sitetoolsVersion>1.7.4</doxia-sitetoolsVersion>
+    <doxia-sitetoolsVersion>1.9.2</doxia-sitetoolsVersion>
     <wagonVersion>2.4</wagonVersion>
     <sonatypeAetherVersion>1.13.1</sonatypeAetherVersion>
     <plexus-java.version>1.0.5</plexus-java.version>