mv controllers/admin/teachers ➙ controllers/admin/permission_forms
controllers/admin/permission_forms_controller.rb : CRUD for perms forms.

[#59376134]
[#50555503]

https://www.pivotaltracker.com/story/show/59376134
https://www.pivotaltracker.com/story/show/50555503

home/admin.html.haml : admin page has link to “Permission Forms”

controllers/admin/permission_forms_controller.rb : CRUD for perms forms.

[#59376134]
[#50555503]

https://www.pivotaltracker.com/story/show/59376134
https://www.pivotaltracker.com/story/show/50555503
views/admin/permission_forms/_show_student.html.haml : cleanup views css

[#59376134]
[#50555503]

https://www.pivotaltracker.com/story/show/59376134
https://www.pivotaltracker.com/story/show/50555503