Add service events to add/remove services dynamically with webapi
Added a log message when closing connections
Adjusted the timeouts for connection tracking flows
Merge pull request #145 from axsh/feature-service-event

Add service events to add/remove services dynamically with webapi
Moved the security group deletion to delete_item where it belongs
Improved the delete_rules method. There was no reason to access the database in there
Merge branch 'master' into feature-secg-prototype-stateful-simulation