Add user story to readme
Allow adding students that have not yet signed up. Closes #48

Squashed commit of the following:

commit 4ecc87013c12d092b112fc08c7f75f593b73de90
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Fri Sep 12 11:56:26 2014 -0500

    last test and changed uid into string to match omniauth

commit 2d2a4a2212523520cd64edd241b54dace78b47bf
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Fri Sep 12 11:27:01 2014 -0500

    1 tets in GetUserInfo spec passing

commit 51565ee0dde41ad6e0945087be3b1f7c98f63958
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Fri Sep 12 10:53:47 2014 -0500

    passing tests with vcr for UpdateUserInfo script

commit 55421a91a57fd8cdc40a2874e167d3eb0fe5a3b4
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Thu Sep 11 19:51:50 2014 -0500

    corrected where new user was created -- closes #48

commit 57734752de06ec1f48fa988ad8b792b1e0014287
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Thu Sep 11 19:43:51 2014 -0500

    only updated verified to false if nil

commit a8c148aa6d3e9d92a7d8b62caff1d6d431141afd
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Thu Sep 11 19:41:01 2014 -0500

    split into two scripts so update can be used for general updates

commit d85064ce1ac7f8d16f58444445c69b3b8207c334
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Thu Sep 11 19:28:02 2014 -0500

    grouped membership attributes together

commit f1f0c9ccc6297aec9fb8bf455190aea6fbe8ed81
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Thu Sep 11 19:18:51 2014 -0500

    changed names of files

commit 320a447210bc47b918c69bc9df3bc74c9dc8e8af
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Thu Sep 11 19:16:14 2014 -0500

    working script

commit 1eeb75c76de508269b871558c1edede849e70158
Author: Catherine O'Neill <cathzozo@gmail.com>
Date:   Thu Sep 11 18:25:13 2014 -0500

    created and basic functions in script