Merge pull request #1 from education/master

merge from education/master
remove the public/private repo flag from the configuration and prompt for this during repository creation.
move create_repos specific method into that class
fix stupid typo and add tests to prevent against future stupid typos
add positive/negative test cases for public/private creation. Also - fixed the mock infrasturcture for the confirm dialog
Merge pull request #33 from mikehelmick/master

Make the public/private repo flag a prompt, rather than config value. [Closes #26]