A few fixes to get tests green again.

PHPUnit was failing because there was an expectation that creating a talk would have a flash message of type=success, but the test did not take into account configured `enddate`. I just updated the default value in the travis.dist config.

That said, I ran into the same issue writing the Behat tests and basically punted it to be revisited shortly. The goal would be able to train the application container with regards to any configuration setting. I'll likely be sending something along for that soon.

Other fixes were minor misspellings and such.