Easydev

* remove useless statement related to colorlog
* all package passed through black

* add color argument in the logging class

* remove 'package' module and its script. Not used anywhere and such tool
exists now on pypi
* some extra tests and cleanup

* drop support for python 3.4 due to colorama not being available anymore
* Fixing logging_tools to properly handle level change when name is set
* Uses pytest instead of nose
* in easydev.easytest, get rid of nose to perform the
assert_list_almost_equal test
* remove multisetup module
* remove linux_distribution from platform module, which uses deprecated
python fucntion. Will remove platform module most probably in future
release.

* remove deprecated warning

* Fixed https://github.com/cokelaer/easydev/issues/17
* Fix new-style class (https://github.com/cokelaer/easydev/pull/16)