added licensing information

LICENSE

@@ -0,0 +1,17 @@
+Puppet Jenkins4php Module - Puppet module for managing a Jenkins CI Server for PHP Projects
+
+Copyright (C) 2011 RF4 Soluções e Serviços Ltda. 
+
+RF4 Soluções can be contacted at: contato@rf4solucoes.com.br
+
+Licensed 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.