COUCHDB-1699: configure: C++ compiler detection improvement

- amended patch to resolve detection failures on Windows, OSX, and gentoo
Pull forward 1.3.x CHANGES
Update NEWS and CHANGES
R16 isn't supported yet.
Add upper bound check on Erlang (<R16A)
Adding erlang-eunit to install requirements for RedHat-based distros. Required for building mochiweb.
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.
Fix formatting
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