rm unused import from zcbuildout state

salt/states/zcbuildout.py:41: [W0611(unused-import), ] Unused import re
cp mod: honor `env` argument in list_master() & hash_file()

************* Module salt.modules.cp
salt/modules/cp.py:441: [W0613(unused-argument), list_master] Unused argument 'env'
salt/modules/cp.py:548: [W0613(unused-argument), hash_file] Unused argument 'env'
make zcbuildout._Logger a new-style class

salt/modules/zcbuildout.py:106: [C1001(old-style-class), _Logger] Old-style class defined.
buildout fixes from 996c7950ccca49567693b890f37f113a227fff80
make buildout test more robust
do not expose exceptions
more doc for buildout
fix doc handling
First-pass unit test coverage for the Postgres execution module.
Refactor to no longer shadow built-ins of min and max
Merge pull request #9009 from cachedout/#8972

Refactor to no longer shadow built-ins of min and max
Merge pull request #9004 from makinacorpus/buildout-fixes

buildout fixes from 996c7950ccca49567693b890f37f113a227fff80
Merge pull request #9007 from cachedout/postgres-unit-tests

First-pass unit test coverage for the Postgres execution module.
Merge pull request #9003 from cvrebert/patch-2

make zcbuildout._Logger a new-style class
Merge pull request #8999 from hulu/cp-env

cp mod: honor `env` argument in list_master() & hash_file()
Fix misleading message
Merge pull request #9016 from techhat/typo

Fix misleading message in disk monitoring state
Allow single-provider node queries using -f
Disable pylint warnings about unused call variable
Remove code that was inadvertantly added too early