Changing new release to 1.6.1 instead of 1.7

Since it contains only minor doc improvements and bug fixes.
[ci skip]

docs/index.rst

@@ -89,8 +89,8 @@ Table of Contents
 Release Notes
 =============
 
-1.7
-^^^
+1.6.1
+^^^^^
 - Logs are now created when thumbnail generation fails (thanks, `@artursmet <https://github.com/artursmet>`_!!!).
 - Added support for Django 1.10.x and djangorestframework 3.5.x.
 - Fixed a bug that caused :ref:`delete_all_created_images() <deleting-multiple-renditions>` to fail on field instances that didn't have filtered, sized & filtered+sized images. 

setup.py

@@ -5,7 +5,7 @@
 setup(
     name='django-versatileimagefield',
     packages=find_packages(),
-    version='1.7',
+    version='1.6.1',
     author=u'Jonathan Ellenberger',
     author_email='jonathan_ellenberger@wgbh.org',
     url='http://github.com/respondcreate/django-versatileimagefield/',
@@ -32,6 +32,7 @@
         'Framework :: Django :: 1.7',
         'Framework :: Django :: 1.8',
         'Framework :: Django :: 1.9',
+        'Framework :: Django :: 1.10',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Natural Language :: English',