Drop support for EOL Python 3.3

.travis.yml

@@ -7,9 +7,6 @@ matrix:
       env: TOXENV=py27
     - python: 2.7.6
       env: TOXENV=py27
-      # This is used by Ubuntu Trusty
-    - python: 3.3
-      env: TOXENV=py33
     - python: 3.4
       env: TOXENV=py34
     - python: 3.5-dev

appveyor.yml

@@ -7,9 +7,6 @@ environment:
     - PYTHON: "C:\\Python27"
       TOXENV: "py27"
-    - PYTHON: "C:\\Python33"
-      TOXENV: "py33"
-
     - PYTHON: "C:\\Python34"
       TOXENV: "py34"

doc/faq.rst

@@ -50,7 +50,7 @@ it is also working on PyPy.
 2.4 What versions of Python is Pylint supporting?
 --------------------------------------------------
-Since Pylint 1.4, we support only Python 2.7+ and Python 3.3+. If code
+Since Pylint 1.8, we support only Python 2.7 and Python 3.4+. If code
 uses new Python 3.6 syntax, minimal required version is Pylint 1.7.
 Using this strategy really helps in maintaining a code base compatible

pylint/__pkginfo__.py

@@ -69,7 +69,6 @@ classifiers = ['Development Status :: 4 - Beta',
                'Programming Language :: Python :: 2',
                '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',

setup.py

@@ -160,7 +160,7 @@ def install(**kwargs):
                  cmdclass=cmdclass,
                  extras_require=extras_require,
                  test_suite='test',
-                 python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*',
+                 python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
                  setup_requires=['pytest-runner'],
                  tests_require=['pytest'],
                  **kwargs)

tox.ini

 [tox]
-envlist = py27, py33, py34, py35, py36, pypy, jython, pylint
+envlist = py27, py34, py35, py36, pypy, jython, pylint
 skip_missing_interpreters = true
 [testenv:pylint]