Do not intercept redirects for ajax requests
Fixed issue #230 -- Avoid queries in aborted transactions

On PostgreSQL when the transaction is in aborted status, checking
connection.isolation_level will result in an error.
Made usable connections with alias not in db.connections
Made possible to use DJANGO_SETTINGS_MODULE in testing

Also added a dummy test_pgsql settings file.
Tests for issue_230
Add EXPLAIN ANALYZE for Postgres
Fix displaying instance of RawQuerySet in templates toolbar
Fixed CSS according to standarts
Use python threading module instead of the python3 deprecated thread module. Fix this threading related bug - Exception AttributeError: AttributeError("_DummyThread object has no attribute _Thread__block",) in <module threading from
Fix unit test breakage. middleware functions are expecting threading.currentThread().ident, which is an integer, and not the threading.currentThread() instance itself.
Uncommented out the dummy thread fix by mistake. Adding back in.
Python 2.5 compatibility #261
Use prefix for patterns
Use POST instead GET, cuz GET is limited
Comment back
Avoid importing `django.conf.urls.defaults` on django 1.4+
Use the built-in json module on python >= 2.6.

`django.utils.simplejson` is pending deprecation as
of django 1.5 and will be removed in 1.7.
Merge pull request #350 from charettes/simplejson

Use the built-in json module on python >= 2.6.
Merge pull request #349 from charettes/django-1.5-compat

Avoid importing `django.conf.urls.defaults` on django 1.4+
Updated example to use class-based generic views

Django dropped the function-based generic views in favor of class-based generic views. 
The transition is outlined here: https://docs.djangoproject.com/en/1.4/topics/generic-views-migration/