Made site build on jdk8. Fixed stricter javadoc requirements

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1649142 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 222c8d1..7c4402d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -279,7 +279,7 @@
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>findbugs-maven-plugin</artifactId>
-        <version>2.5.5</version>
+        <version>3.0.0</version>
         <configuration>
           <threshold>Normal</threshold>
           <effort>Default</effort>