Replace Aspen tarball with latest + tornado plugin

Start with this. Need to add .spt to simplates and change ^L to [---].
Add newlines at end of files

Let's adopt this as a policy; makes sed easier to work with. See also:
http://stackoverflow.com/questions/729692/
Convert ^L to [---] for simple simplates

These have no additional # ====== seperator.
Convert # ==== ^L to [-------] and add .spt.
Set tornado as the default renderer
Fix a regression in the stats page

The regexes I was using didn't pick up this usage.
Failing tests for {bank-account,credit-card}.json
Fix regressions in {bank-account,credit-card}.json
Merge branch 'master' into aspen-upgrade

Conflicts:
	www/version.txt
Write test for bank-account-complete
Fix regression in bank-account-complete.html
Merge pull request #1201 from gittip/aspen-upgrade

Upgrade Aspen from 0.22.x to 0.25.1