deleting token on confirmation
better tests
Re-write conversation confirmation view to delete token in the POST request if confirmation is successful and to render the confirmation template directly instead of redirecting to the GET request (this removes some of the hackiness).
Rather fall back to original transport type in transport type isn't one understood by Go currently -- this at least generates useful errors (review by @jerith).
Merge branch 'develop' into feature/issue-186-stop-double-confirmations
Merge branch 'feature/issue-186-stop-double-confirmations' into develop