System gets deleted if last dynamic interface and no static intrs exist
If last interface is static and it is being deleted sytem is also deleted
When deleting an interface in either the detail view, or the list view, the appropriate confirmation message is given
Deleting a system now deletes its interfaces as well, a confirmation is sent warning the user of this
I don't know how to grammar
Fixed dirtysoa tests
Fixed Cname tests
Fixed domain auto_delete tests
Fixed a grammer error
Merge pull request #347 from church29/system_delete

System delete
All tests passed
Full Functional