requirements.txt: py3 related (?) version bumps

this has been tested in a python 3.4 environment. i'm not sure if all of
these changes were necessary to make this py3 compatible, but it works,
so i'm committing it

requirements.txt

@@ -1,10 +1,14 @@
-astroid==1.3.6
-Django==1.8.4
+astroid==1.4.4
+caniusepython3==3.3.0
+colorama==0.3.6
+distlib==0.2.1
+Django==1.8.8
 django-adminplus==0.3
 django-extensions==1.5.3
 django-filter==0.10.0
 djangorestframework==3.1.3
 dodgy==0.1.7
+futures==3.0.3
 httplib2==0.7.4
 inflect==0.2.5
 irc==12.1.4
@@ -16,33 +20,37 @@ jaraco.functools==1.3
 jaraco.itertools==1.3
 jaraco.logging==1.2
 jaraco.text==1.3
+jaraco.timing==1.2.2
+lazy-object-proxy==1.2.1
 logilab-astng==0.24.0
 logilab-common==0.63.2
-Markdown==2.6.2
+Markdown==2.6.5
 mccabe==0.3.1
 more-itertools==2.2
-oauth2==1.5.211
-oauthlib==0.5.1
-pep257==0.5.0
+oauth2==1.9.0.post1
+oauthlib==1.0.3
+pep257==0.7.0
 pep8==1.6.2
-pep8-naming==0.2.2
+pep8-naming==0.3.3
 ply==3.4
 prospector==0.10.2
 pyflakes==0.9.2
-pylint==1.4.3
+pylint==1.5.4
 pylint-celery==0.3
-pylint-common==0.2.1
-pylint-django==0.6.1
+pylint-common==0.2.2
+pylint-django==0.7.1
 pylint-plugin-utils==0.2.3
-python-dateutil==2.1
-pytz==2015.4
+python-dateutil==2.4.2
+pytz==2015.7
 PyYAML==3.11
-requests==1.2.3
-requests-oauthlib==0.3.2
-requirements-detector==0.4
+requests==2.9.1
+requests-oauthlib==0.6.0
+requirements-detector==0.4.1
 setoptconf==0.2.0
-six==1.9.0
-tempora==1.3
-twython==3.0.0
-yg.lockfile==2.0
+six==1.10.0
+tempora==1.4
+twython==3.3.0
+wheel==0.26.0
+wrapt==1.10.6
+yg.lockfile==2.1
 zc.lockfile==1.1.0