Added an `include_methods` argument which allows embedding return values of methods into JSON response structures.

Also serialize SQLAlchemy mapped objects returned from an included
method.
Fixed tests on Python 2.5
Allow using include_methods argument for related models (using ".", like include_columns)
Merge pull request #203 from logandk/include-methods

Allow methods to be included in response
Documents changes due to fixing #203.
handle firefox bug #416178
Merge pull request #205 from ozon/fixes/firefox_content_type

Allow  `application/json; charset=UTF-8` content-type. handle firefox bug #416178
Adds changes due to previous commit.
The next release should be a minor version release.

In this version, POST and PATCH requests require Content-Type to be set
to application/json. This will break backwards compatibility.
Fixes issue #195.

Adds support for UUID serialization.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	flask_restless/__init__.py