Check setup.py for pep8 lint on TravisCI

Author: lukeyeager

.travis.yml

@@ -30,3 +30,9 @@ sudo: false
 
 matrix:
     fast_finish: true
+    include:
+        env: LINT_CHECK
+        python: "2.7"
+        addons: true
+        install: pip install pep8
+        script: pep8 setup.py

setup.cfg

@@ -0,0 +1,2 @@
+[pep8]
+max-line-length = 120