nicer imports for @jerith
Merge branch 'feature/issue-677-smpp-transport-msg-processing-class' of github.com:praekelt/vumi into feature/issue-677-smpp-transport-msg-processing-class
Merge branch 'feature/issue-677-smpp-transport-msg-processing-class' of github.com:praekelt/vumi into feature/issue-677-smpp-transport-msg-processing-class