Django 1.8/1.9 compatibility

[ckarrie]

Warning in webodt/preprocessors.py, Line 2

RemovedInDjango19Warning: django.utils.importlib will be removed in Django 1.9.
  from django.utils.importlib import import_module

[zh-h]

As Error I have been seen :File "/usr/local/lib/python2.7/dist-packages/webodt/preprocessors.py", line 2, in <module> from django.utils.importlib import import_module

[kevwilde]

Refs #22

[kevwilde]

Seems like this repo is abandoned by the owner. I'm succesfully using this fork now: https://github.com/dimasciput/django-webodt

[ckarrie]

I use my own fork for Django 1.10+ compatibility: https://github.com/ckarrie/django-webodt