TRAVIS move around variable definitions for flake8 job
TRAVIS move around variable definitions for flake8 job

This way it is clearer on the Travis website that this job does not run
any tests and is just doing some flake8 checks.

karandesai-96/joblib,lesteve/joblib,tomMoral/joblib,aabadie/joblib,karandesai-96/joblib,tomMoral/joblib,lesteve/joblib,aabadie/joblib,joblib/joblib,joblib/joblib