ENH: always abspath in __main__ file names
ENH: always abspath in __main__ file names

This help disambiguiting cache

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