Treasurer permissions:
- money group 
- paypal sub-account with rw access 
1. Paypal payments from members
When: soon after being nofified byfrom paypay or google checkout for each member
- portal financial page -> lookup address for paypal -> follow steps 
2. Google Checkout payments from members
3. Transfer paypal -> hcoop bank
When: whenever paypal balance gets high, usually every FIXME
Leave $50 or so on paypal to cover refunds issued.
4. Low balance reminders
When: middle of each month
- Look at XXX
- Send it to all addresses on file
Subject: We're about to freeze your HCoop account...
Cc: HCoop Payment Reminder Robot <payment@hcoop.net>
...because your balance is too negative.  If you want to keep your
account, please make a payment here ASAP:
        https://members.hcoop.net/
Details on how much we recommend paying should be found in the last
automated low balance reminder e-mail sent to you.  If you don't want
your account anymore, please don't stay silent; instead open a ticket
here, in the "Financial" category:
        https://bugzilla.hcoop.net/enter_bug.cgi
...and include instructions on what to do with your remaining funds
(donate to the co-op or refund via PayPal or Google Checkout).