Log Message:
update to roundup-0.7.1

This release fixes some bugs in the previous release:

- several temp files made it into the source distribution (sf bug 949243)
- typo in roundup/instance.py
- missing CRLF var in rfc822.py (sf patch 949471)
- fix user creation page
- have roundup server pass though the cause of a "403 Forbidden" response
- fix schema mutation in sqlite backends (thanks Tamer Fahmy)
- make popup Javascript IE 5.0 friendly (thanks Marlon van den Berg)
- fix RDBMS import (thanks Tamer Fahmy)