Kludge tox to run flake8

This hasn't been run in a loong time...

.gitignore

@@ -11,3 +11,5 @@ local_settings.py
 \.#*
 *#*#
 .ve2
+ve2
+.tox

tox.ini

@@ -1,4 +1,16 @@
+[tox]
+minversion = 1.6
+skipsdist = True
+envlist = pep8
+
+[testenv]
+basepython = python2.7
+skip_install = True
+install_command = pip install {opts} {packages}
+deps = flake8
+commands = flake8 {posargs}
+
 [flake8]
-ignore = E265,E501
 max-line-length = 100
 max-complexity = 10
+exclude = .venv,.tox,ve2,.ve2,cms_pages,pinaxcon/proposals/migrations,pinaxcon/registrasion/migrations