Updating title for releasenotes to reflect 2.0.5-alpha release

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.0.5-alpha@1488457 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/src/main/docs/releasenotes.html

@@ -1,5 +1,5 @@
 <META http-equiv="Content-Type" content="text/html; charset=UTF-8">
-<title>Hadoop  2.0.4-alpha Release Notes</title>
+<title>Hadoop  2.0.5-alpha Release Notes</title>
 <STYLE type="text/css">
 	H1 {font-family: sans-serif}
 	H2 {font-family: sans-serif; margin-left: 7mm}