Adds skipdist back

The merge has been failing, probably due to unmaintained distribution
code for debian packages that are no longer needed.  This patch
reinstates the skipdist step to tox.ini

Change-Id: Ia4134222f85075fda9e9a535493eb77ceabb855f
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/tox.ini b/tox.ini
index bd89241..d2674c9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,6 +14,7 @@
 
 [tox]
 envlist = cover, flake8, pylint
+skipsdist=True
 
 [testenv]