Update to the apiary spec

doc/apiary/cep/index.apib

@@ -1,5 +1,11 @@
+TITLE: Cepheus CEP API Specification
 FORMAT: 1A
 HOST: http://orange-opensource.github.io/fiware-cepheus/apiary/cep/
+DATE: December 2016
+VERSION: rel_5
+APIARY_PROJECT: http://orange-opensource.github.io/fiware-cepheus/apiary/cep/
+SPEC_URL: http://orange-opensource.github.io/fiware-cepheus/apiary/cep/
+GITHUB_SOURCE: https://github.com/Orange-OpenSource/fiware-cepheus
 
 # Cepheus-CEP
 
@@ -11,6 +17,15 @@ All input and output of events is done though HTTP requests conforming to the NG
 For more information about the Cepheus-CEP project, please refer to the project's [README](https://github.com/Orange-OpenSource/fiware-cepheus/blob/master/README.md) on Github
 or at the Cepheus-CEP [manual](http://fiware-cepheus.readthedocs.org/en/latest/).
 
+## Copyright
+
+Copyright (c) 2016 Orange S.A.
+
+## License
+
+This specification is licensed under the
+[FIWARE Open Specification License (implicit patent license)](https://forge.fiware.org/plugins/mediawiki/wiki/fiware/index.php/Implicit_Patents_License).
+
 ## Configuration [/v1/admin/config]
 
 The configuration endpoint defines a single REST endpoint where the whole configuration is available. The endpoint path is `/v1/admin/config`.