add dockerfile for pipeline, nose

- ready dockerfile for pipeline
- add nose support for test search
Signed-off-by: Mike Marchetti <mmarchetti@sandvine.com>
diff --git a/setup.py b/setup.py
index c250356..ad92135 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,7 @@
     install_requires=[
         'Click', 'prettytable', 'pyyaml', 'pycurl'
     ],
+    test_suite='nose.collector',
     entry_points='''
         [console_scripts]
         osm=osmclient.scripts.osm:cli