Add // Delete // Export to CSV

#### Delete users
Commit 1a0824f

The user list screen has been updated with the ability to select multiple users concurrently. This can be used in conjunction with the new delete functionality to delete multiple users at one go.

#### Add users
Commit 4def611 

A new form has been added that allows the admin to register new users. This form differs from the regular registration page is several ways, including a button to auto generate passwords and a checkbox to set the user's confirmation status without going through the whole email confirmation process.

The user list screen has also been updated to reflect that China has multiple different regions.

#### Export to CSV
Commit 7b909c0 , 95b156a

A new function that allows admins to export information to a CSV file format has been added. Currently, this function is pretty basic and will only export the user's currently present on the screen.