Log Message:
Update www/drraw to 2.2b2.

Changes since 2.2b1 [2008-10-06]:
- Added pnp4nagios awareness (courtesy of Jeremy Jacquier-Roux).
- Dashboards weren't always sorted.
- Updated logic to prevent Data Source Templates from skipping too many files.
- It wasn't possible to add a numeric DS (reported by Jeremy Jacquier-roux).
- Removed compatibility reporting code.