Test attachment upload via multipart/form-data

This is used in Futon attachment upload.
Test form-urlencoded doc update

Update handlers have access to a form object parsed from an
application/x-www-form-urlencoded request.
Pulled 1.2.2 NEWS and CHANGES into 1.3.x
Clarified Futon test suite NEWS and CHANGES entry
Clarified Futon test suite NEWS and CHANGES entry
Merge branch 'various-tests' of https://github.com/jo/couchdb

* 'various-tests' of https://github.com/jo/couchdb:
  Test form-urlencoded doc update
  Test attachment upload via multipart/form-data

Closes PR #55
Clean up view doc page

* Remove giant doc id
* Disable the field editor tab until we get something that works
update backbone.js to v1.0
update backbone.layoutmanager.js to v0.8.7
update lodash
layout manager migration
fix Databases.Status.updateSeq for the case when a database has received no
updates (e.g. is newly created).
get logs working with backbone v1
fix broken addon task
twitter feed as news
footer as view
Reduce PBKDF2 work factor

COUCHDB-1634