new file:   controllers/c_admin.php -creating controller for admin
	modified:   controllers/c_base.php - looked at adding something to base, didn't work
	modified:   controllers/c_users.php - changed sign-up function out of users controller
	modified:   views/_v_template.php -added menu option that only is visible if signed in as admin
	new file:   views/v_admin.php -view for admin
	new file:   views/v_admin_noaccess.php - noaccess view if not admin
	new file:   views/v_admin_signed.php - view if user has been signed up
	new file:   views/v_admin_signup.php - view for admin to sign up user