Drop testing for 2.6 and 3.3. Add 3.6.

Via discussion pallets/meta#24
diff --git a/.appveyor.yml b/.appveyor.yml
index 3301365..1b6c838 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,44 +1,30 @@
 environment:
   global:
-    WHEEL_VERSION: "wheel"  # 2.6, 3.3 need ==0.29
-    # pip module, 2.6 needs .__main__, https://stackoverflow.com/a/9407178
-    PIP: "pip"
-    TOX: "tox"
     TOXENV: "py"
 
   matrix:
-    - PYTHON: "C:\\Python26"
-      WHEEL_VERSION: "wheel==0.29"
-      PIP: "pip.__main__"
-      TOX: "tox.__main__"
-    - PYTHON: "C:\\Python26-x64"
-      WHEEL_VERSION: "wheel==0.29"
-      PIP: "pip.__main__"
-      TOX: "tox.__main__"
-    - PYTHON: "C:\\Python27"
-    - PYTHON: "C:\\Python27-x64"
-    - PYTHON: "C:\\Python33"
-      WHEEL_VERSION: "wheel==0.29"
-    - PYTHON: "C:\\Python33-x64"
-      WHEEL_VERSION: "wheel==0.29"
-    - PYTHON: "C:\\Python34"
-    - PYTHON: "C:\\Python34-x64"
-    - PYTHON: "C:\\Python35"
-    - PYTHON: "C:\\Python35-x64"
-    - PYTHON: "C:\\Python36"
-    - PYTHON: "C:\\Python36-x64"
+    - PYTHON: C:\Python27
+    - PYTHON: C:\Python27-x64
+    - PYTHON: C:\Python34
+    - PYTHON: C:\Python34-x64
+    - PYTHON: C:\Python35
+    - PYTHON: C:\Python35-x64
+    - PYTHON: C:\Python36
+    - PYTHON: C:\Python36-x64
+
+init:
+  - SET PATH=%PYTHON%;%PATH%
 
 install:
-  - "%PYTHON%\\python.exe --version"
-  - "%PYTHON%\\python.exe -m %PIP% install -U pip setuptools %WHEEL_VERSION% tox"
+  - python -m pip install -U pip setuptools wheel tox
 
 build: off  # Not a C# project, build stuff at the test step instead.
 
 test_script:
-  - "%PYTHON%\\python.exe -m %TOX%"
+  - python -m tox
 
 after_test:
-  - "%PYTHON%\\python.exe setup.py bdist_wheel"
+  - python setup.py bdist_wheel
 
 artifacts:
   - path: dist\*.whl
diff --git a/.travis.yml b/.travis.yml
index ebaf846..c975035 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,11 @@
 sudo: false
 language: python
 python:
-  - "2.6"
   - "2.7"
-  - pypy
-  - "3.3"
   - "3.4"
   - "3.5"
   - "3.6"
+  - pypy
 install:
   - pip install tox
 script:
diff --git a/README.rst b/README.rst
index 360a087..2510d53 100644
--- a/README.rst
+++ b/README.rst
@@ -110,4 +110,4 @@
     >>> Markup('<p>User: {0:link}').format(user)
     Markup(u'<p>User: <a href="/user/1"><span class=user>foo</span></a>')
 
-Markupsafe supports Python 2.6, 2.7 and Python 3.3 and higher.
+Markupsafe supports Python 2.7 and Python 3.4 and higher.
diff --git a/setup.py b/setup.py
index e6c5c83..12d3fb0 100755
--- a/setup.py
+++ b/setup.py
@@ -79,10 +79,12 @@
     setup(
         name='MarkupSafe',
         version=version,
-        url='http://github.com/pallets/markupsafe',
+        url='https://www.palletsprojects.com/p/markupsafe/',
         license='BSD',
         author='Armin Ronacher',
         author_email='armin.ronacher@active-4.com',
+        maintainer='Pallets team',
+        maintainer_email='contact@palletsprojects.com',
         description='Implements a XML/HTML/XHTML Markup safe string for Python',
         long_description=readme,
         zip_safe=False,
@@ -94,10 +96,8 @@
             'Operating System :: OS Independent',
             'Programming Language :: Python',
             'Programming Language :: Python :: 2',
-            'Programming Language :: Python :: 2.6',
             'Programming Language :: Python :: 2.7',
             'Programming Language :: Python :: 3',
-            'Programming Language :: Python :: 3.3',
             'Programming Language :: Python :: 3.4',
             'Programming Language :: Python :: 3.5',
             'Programming Language :: Python :: 3.6',
diff --git a/tox.ini b/tox.ini
index b441cb7..d1e1b68 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py26,py27,pypy,py33,py34,py35,py36
+envlist = py27,pypy,py34,py35,py36
 
 [testenv]
 commands = py.test tests.py {posargs}