uses sort/lambda to move administrators/project managers to top of the list. admins/pms are not separated from each other
sorts in place, and uses reverse instead of not
added paginator for users page, 40 items per page
alphabetize users list before sorting by admin/pm
fix line length
fix line indentation
fix line under-indentation
Merge pull request #460 from audreykuan/sort_user_list_344

improvements to the users page #344