Version to 0.17.0

Also made a couple adjustments to "documented" Python versions.

docs/about/release-notes.md

@@ -21,7 +21,7 @@ The current and past members of the MkDocs team.
 * [@d0ugal](https://github.com/d0ugal/)
 * [@waylan](https://github.com/waylan/)
 
-## Version 0.17.0 (20??-??-??)
+## Version 0.17.0 (2017-10-19)
 
 ### Major Additions to Version 0.17.0
 

mkdocs/__init__.py

@@ -3,11 +3,5 @@
 
 from __future__ import unicode_literals
 
-import sys
-
-if sys.version_info < (2, 7):
-    sys.stderr.write(("WARNING: Support for Python 2.6 will be dropped in the "
-                      "1.0.0 release of MkDocs\n\n"))
-
 # For acceptable version formats, see https://www.python.org/dev/peps/pep-0440/
-__version__ = '1.0.dev'
+__version__ = '0.17.0'

setup.py

@@ -89,7 +89,9 @@ setup(
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
         "Programming Language :: Python :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
         'Topic :: Documentation',
         'Topic :: Text Processing',
     ],