c16ca8 breaks compatibility with django 1.6.x

[bryanchriswhite]

storages/backends/s3boto.py:14

from django.utils.deconstruct import deconstructible

STDERR:

...
File "~/.env/lib/python3.4/site-packages/storages/backends/s3boto.py", line 14, in <modul│
e>                                                                                                    │
    from django.utils.deconstruct import deconstructible                                              │
ImportError: No module named 'django.utils.deconstruct'

Can you add a tag to 0c3ee5f3af187d8284ce95f676b8499f3b57074a to indicate that it's the latest commit compatible with django 1.6.x or something?

[jschneier]

@bryanchriswhite i forked the original repository recently and am trying to support all supported django versions. i added the above feature in a backwards compatible way. i haven't released the python3 support but my fork is here and any help testing to make sure python3 works and can be released would be great. (i also went through this repo and backported what i think are the relevant py3k commits)