Run codespell on Travis

Fixes: #671
Signed-off-by: Manuel Hutter <manuel@hutter.io>

.codespell-ignores.txt

@@ -0,0 +1,4 @@
+aks
+cas
+upto
+tim

.travis.yml

@@ -0,0 +1,7 @@
+---
+language: python
+python:
+  - "3.6"
+
+install: pip install codespell
+script: make spell

Makefile

@@ -1,6 +1,6 @@
 # Makefile for building Containers for Storage Testing
-# 
-# 
+#
+#
 # Reference Guide - https://www.gnu.org/software/make/manual/make.html
 
 
@@ -42,12 +42,16 @@ _push_operator_image:
 
 build: deps _build_operator_image _push_operator_image
 
+spell:
+	codespell \
+		--ignore-words="./.codespell-ignores.txt" \
+		--skip="./.git,*.png,*.jpg,*.ico,*.pdf,get-pip.py,dynamo"
 
 #
 # This is done to avoid conflict with a file of same name as the targets
 # mentioned in this makefile.
 #
-.PHONY: help deps build
+.PHONY: help deps build spell
 .DEFAULT_GOAL := build