add bitcoin receiving address to profile
log changes to participants table
add db rule to log changes to bitcoin_address
test bitcoin.json, validate bitcoin address, and move migration to branch.sql
refactor bitcoin form to make it inline on profile page
fix javascript issue that triggers edit form on a click event (bitcoin address)
fixes https://github.com/gittip/www.gittip.com/pull/1437#issuecomment-24786372
Add initial support to OpenStreetMap accounts.
First pass at upgrading to the next Aspen release
Move x_frame_options out to gittip.security

This keeps configure-aspen.py a little less cluttered.
Trim horizontal space and suppress pyflakes msg
Moving response timing functions into a module
Start timing at the very beginning

We can do this now that we're not storing the start_time on the request
object. And we can do that now that we're using algorithm.py.
Enable homepage updater to be turned off

It gets annoying after a while.
Get test_utils.py passing under Aspen HEAD
Switch to using algorithm['foo']
Fix test bug around homepage updater

We need to run it once before we run tests.
Start porting test suite to new Aspen test client
Merge branch 'master' into aspen-0-27
Convert test_utils.py to use AspenHarness