Remove dependency on commons-build

Switch to use jakarta-maven.css

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@385205 13f79535-47bb-0310-9956-ffa450edef68

Author: Stephen Colebourne

xdocs/style/maven.css

@@ -1,10 +1 @@
-#banner, #banner td { 
- background: #fff;
- color: #000;
-}
-
-#banner td { 
- height: 100%;
- vertical-align: middle;
-}
-
+@import url("http://jakarta.apache.org/style/jakarta-maven.css");