fix issue #74. The Readme.rst file had a non-ascii character, so load as utf-8.
fix issue #74. The Readme.rst file had a non-ascii character, so load as utf-8.

django-treebeard/django-treebeard,skirsdeda/django-treebeard,tabo/django-treebeard,skirsdeda/django-treebeard,tabo/django-treebeard,django-treebeard/django-treebeard,skirsdeda/django-treebeard,tabo/django-treebeard,skirsdeda/django-treebeard,tabo/django-treebeard,django-treebeard/django-treebeard