Blueprint example app
Blueprint example tests
Fixed assumption made on session implementations.

In the snippet 'session.setdefault(...).append(...)', it was being
assumed that changes made to mutable structures in the session are
are always in sync with the session object, which is not true for
session implementations that use a external storage for keeping their
keys/values.
On JSON requests, the JSON response should have Content-Type: application/json and the body of the response should be a JSON object.
Move JSONHTTPException and JSONBadRequest to new module flask.exceptions.
Update docs/patterns/mongokit.rst
Added an example of how to configure debugging with run_simple, it has to be enabled both for the Flask app and the Werkzeug server.
Have tox install simplejson for python 2.5
Remove an unused iteration variable.

We can just iterate over the namespace dictionary's keys here.  We
don't need its values.
Update docs/patterns/packages.rst
Merge pull request #445 from iammookli/patch-1

Update docs/patterns/mongokit.rst
Merge pull request #450 from SimonSapin/simplejson_tox

Tests require simplejson on 2.5, have tox install it
Fixed weird string quoting in setup.py
pip vs. easy_install consistency
Merge pull request #462 from SimonSapin/patch-4

Install docs: pip vs. easy_install consistency
Removed triple-quotes from print statement in setup.py
Merge pull request #464 from passy/patch-1

Remove triple-quotes from print statement in setup.py
Merge pull request #455 from jparise/methodfuncs-iter

Remove an unused iteration variable.
Merge pull request #458 from kisielk/patch-1

Fixed weird string quoting in setup.py
Update docs/quickstart.rst