* support scripts were copied from other projects like cinder, ...
* some modification were made to support some code checks
* at first we focus on code issues classified as 'refactor'
* job compare sets of code issues of current and previous commit
* if new issue emerged in current commit then -1
* use tox to launch locally 'tox -e pylint'
* next step is to create non-voting gate job
* job can be tested locally, example:
* 1) create method with more then 5 arguments
* 2) commit the change
* 3) run 'tox -e pylint'
* job should fail on 'Too many arguments'
Change-Id: Iccfb842de92e2284bedcfc7d9b1df5f456ba9d14
a4788eeeab