[MJAVADOC-760] explicitly declare shared utility dependencies (#216)

* [MJAVADOC-760] explicitly declare plexus dependencies

* explicitly declare maven-shared-utils

pom.xml

@@ -221,12 +221,16 @@ under the License.
       <artifactId>maven-invoker</artifactId>
       <version>3.2.0</version>
     </dependency>
+    <dependency>
+      <groupId>org.apache.maven.shared</groupId>
+      <artifactId>maven-shared-utils</artifactId>
+      <version>3.4.2</version>
+    </dependency>
     <dependency>
       <groupId>org.apache.maven.shared</groupId>
       <artifactId>maven-common-artifact-filters</artifactId>
       <version>3.2.0</version>
     </dependency>
-
     <!-- Doxia -->
     <dependency>
       <groupId>org.apache.maven.doxia</groupId>
@@ -287,6 +291,16 @@ under the License.
       <artifactId>plexus-utils</artifactId>
       <version>3.5.1</version>
     </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-io</artifactId>
+      <version>3.4.1</version>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-archiver</artifactId>
+      <version>4.7.1</version>
+    </dependency>
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>