William Wolf issues

Results 3 issues of


                                            William Wolf

Receiving this error when trying to run tests from within the Docker container, i.e. `cd docker; make test` on master. Anybody else?

WIP. Addresses [#379](https://github.com/blei-lab/edward/issues/379).

Hey Ben, When I try to install with easy_install or pip, I get: ``` python IOError: [Errno 2] No such file or directory: 'requirements.txt' ```