Added feature to dump payload of files using manage.py dumpdata
Make dump/load file data storage agnostic using Django storage API
Add tests for dump/load data
Fix easy-thumbnails version
Code style
Add Django 1.6 to tox configuration
Fix testsuite to run on Django 1.6
Fix json import
Add Django 1.6 and Django master to travis build matrix
Fix easy-thumbnails version
Merge pull request #343 from nephila/feature/django_16

Django 1.6 support
Merge pull request #344 from nephila/feature/dump_data

Feature to dump payload of files using manage.py dumpdata
Add mptt 0.6 to supported versions
Merge pull request #348 from nephila/feature/mptt_version

Add mptt 0.6 to supported versions
Merge branch 'develop' into simple-order-by-date