Readds plugins code and respective tests

Signed-off-by: Benjamin Diaz <bdiaz@whitestack.com>
Change-Id: I80ad624892b513818b1c989494884cc8047e377e
diff --git a/tox.ini b/tox.ini
index b10e7f9..5940b95 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,7 @@
 # test suite on all supported python versions. To use it, "pip install tox"
 # and then run "tox" from this directory.
 [tox]
-envlist = py3, flake8
+envlist = py3
 toxworkdir={homedir}/.tox
 
 [testenv]