Move flakes command into Makefile.

.travis.yml

@@ -15,8 +15,7 @@ install:
   - sudo rm -rf /dev/shm && sudo ln -s /run/shm /dev/shm
 script:
   - tox -e $TOX_ENV
-  - IGNORE=E226,E241,E265,E402,E501,E704
-  - flake8 . --count --ignore=${IGNORE} --max-line-length=127 --show-source --statistics
+  - make flakes
 notifications:
   irc:
     channels:

Makefile

@@ -1,5 +1,7 @@
 # INSTALLATION: pip install sphinx && npm install --global node-sass
 
+FLAKE_IGNORE=E226,E241,E265,E402,E501,E704
+
 ISSO_JS_SRC := $(shell find isso/js/app -type f) \
 	       $(shell ls isso/js/*.js | grep -vE "(min|dev)") \
 	       isso/js/lib/requirejs-jade/jade.js
@@ -34,6 +36,9 @@ all: man js site
 init:
 	(cd isso/js; bower --allow-root install almond requirejs requirejs-text jade)
 
+flakes:
+	flake8 . --count --ignore=${FLAKE_IGNORE} --max-line-length=127 --show-source --statistics
+
 check:
 	@echo "Python 2.x"
 	@python2 -m pyflakes $(filter-out isso/compat.py,$(ISSO_PY_SRC))