Upgrade pep8 to willkg's downstream version.
Raise line limit to 99 chars in linter.
Fix all the new lint errors about lambda.
Questions: Add is_solved and filtering to API.

Conflicts:
	kitsune/questions/api.py
solution field should be the id, not the text.
[Bug 1097582] Always use UTC in the API.

Conflicts:
	kitsune/questions/api.py
[bug 1097175] Break out advanced search into a new view.

* Separate simple search tests and add two new ones.
* Break out SearchForm into SimpleSearchForm and AdvancedSearchForm
* New url for advanced search: /search/advanced
* Some work left. New bugs coming.
[bug 636786] Fixes Validation issue with Army of Awesome page
[bug 1097175] Reorganized search view tests into separate files.
[Bug 1091268] API to generate users.

POST /api/2/user/generate will create a user with no input, and return
relavent details. Does not take any parameters.

This is only enabled on Stage for now, pending a final list of username
components.
Properly allow generate user when DEBUG=True