Release/0.24

New Features:
- As a user I want to delete forwarding rules from an OpenFlow switch - http://jira.i2cat.net:8080/browse/OPENNAAS-1059
- As a user I want to delete flows in a network of multiple OpenFlow switches - http://jira.i2cat.net:8080/browse/OPENNAAS-1061
- As a user I want to deallocate a flow using the NCL Provisioner Layer API  - http://jira.i2cat.net:8080/browse/OPENNAAS-1138
- As a user I want route selection to allow different routes in requests with same ToS value. - http://jira.i2cat.net:8080/browse/OPENNAAS-1142
- As a user I want to load my existing sdnnetwork routes by a XML file - http://jira.i2cat.net:8080/browse/OPENNAAS-1125
- As a user I want to get the forwarding rules an OpenFlow Switch has - http://jira.i2cat.net:8080/browse/OPENNAAS-1058
- As a user I want to get the allocated flows a network of multiple OpenFlow switches has. (no complete sync)
- As a user I want to get the allocated flows using the NCL Provisioner Layer API. (no complete sync)

Improvements:
- Upgrade Servicemix and CXF versions to last stable releases - http://jira.i2cat.net/browse/OPENNAAS-1141