Updated data.

* The data is now at commit aa0a9dbb2c23d89174d9ade21133f78dfefd0e5c.
General housekeeping

- Deleted useless files
- Removed some whitespace
* Changed tabs to spaces
* Replaced "Known Issues" section of the main page with a link to the
  issues page.
* Updated the data to commit aa0a9dbb2c23d89174d9ade21133f78dfefd0e5c