Working towards adding automatic wiki account creation.
Needs to use cookies.
Code working, but encountering problems with the CAPTCHAs.
Saving while moving to other branch.
Saving to change branches.
Merge branch 'tricycle' into wikiaccounts

Conflicts:
	r2/r2/models/account.py
Saving for branch change.
Moved wiki account creation into own file.  Created a wiki account creation section of prefs.
Implemented creation of wiki accounts as a pending job.  Created script for creating wiki accounts for all users.
Clean up.
Changed error reporting email address.
Now uses lxml to parse API.
Wiki account creation script no longer loads all accounts into memory.
Removed debugging statements.
More elegant reporting of errors from the wiki.
Fixed account creation script, added script to identify users without email addresses.
User with accounts on wiki no longer receive a message.
Merge pull request #84 from PotatoDumplings/wikiaccounts

Create accounts on lesswrong wiki upon signup

https://code.google.com/p/lesswrong/issues/detail?id=323

* script for adding existing users without corresponding wiki accounts
* script for identifying existing users without corresponding wiki accounts