MRM-709 - Use commons-io instead of PlexusUtils.

* Adding commons-io to archiva-commons deps.
* Changing FileUtils to commons-io equivalents.

git-svn-id: https://svn.apache.org/repos/asf/maven/archiva/trunk@630585 13f79535-47bb-0310-9956-ffa450edef68

archiva-base/archiva-common/pom.xml

@@ -38,6 +38,10 @@
       <groupId>commons-lang</groupId>
       <artifactId>commons-lang</artifactId>
     </dependency>
+    <dependency>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-api</artifactId>

archiva-base/archiva-common/src/test/java/org/apache/maven/archiva/common/utils/ChecksumsTest.java

@@ -19,8 +19,8 @@ package org.apache.maven.archiva.common.utils;
  * under the License.
  */
 
+import org.apache.commons.io.FileUtils;
 import org.codehaus.plexus.PlexusTestCase;
-import org.codehaus.plexus.util.FileUtils;
 
 import java.io.BufferedReader;
 import java.io.File;