Add missing ',' to old evolutions script.
Change from ratings to like/wrong/off-topic votes

This includes dropping table DW1_PAGE_RATINGS.
Add RdbSiteDao.deleteVote().
Add vote fraud related changes

- Let deleteVote() delete first by user id, then by browser id cookie
- Login id is now optional (changed in debiki-core)
- Table DW1_PAGE_ACTIONS:
  - Change NEW_IP to IP, copy from DW1_LOGINS
  - Add columns BROWSER_ID_COOKIE and BROWSER_FINGERPRINT
Settings: Add table DW1_SETTINGS and SettingsSiteDaoMixin.
Simplify settings: Load one section at a time so won't need to sort.
Make double and long settings work.