Update .asf.yaml (#375)

* Add license header
* Add hacktoberfest topic
* Update description
* Drop trailing slash on URL

.asf.yaml

@@ -1,13 +1,37 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+# https://cwiki.apache.org/confluence/display/INFRA/git+-+.asf.yaml+features
+
 github:
-  description: "Muchos (an Apache Fluo project) sets up Apache Accumulo or Apache Fluo on a cluster (optionally launched in Amazon EC2 or Microsoft Azure) for development"
-  homepage: https://fluo.apache.org/
+  description: "Apache Fluo Muchos"
+  homepage: https://fluo.apache.org
   labels:
     - fluo
-    - java
     - accumulo
-    - hadoop
-    - apache
     - big-data
+    - hacktoberfest
     - aws
     - azure
     - ansible
+  features:
+    wiki: false
+    issues: true
+    projects: true
+