Remote Account Conify UI

Admin interface for config.remote_account.  To date, remote accounts
have been managed solely as EDI accounts, which have their own
interface.  If one wishes to add/manage non-EDI remote accounts, then
this new UI is needed.

Signed-off-by: Bill Erickson <berick@esilibrary.com>
Signed-off-by: Mike Rylander <mrylander@gmail.com>

Conflicts:
	Open-ILS/xul/staff_client/chrome/content/main/menu_frame_menus.xul

[minor, related to adjacent addition]