Add osmo_ipa.py to setup's install

When running jenkins job, osmo_ipa is not available despite latest
osmo-python-tests being installed on the build slave. Let's try to fix
it by explicitly adding it to setup.py

Change-Id: Ic3e160c220ca6d2b55df0dfcdcdcb56e4e240bb3
diff --git a/setup.py b/setup.py
index daff5ea..3e147c4 100755
--- a/setup.py
+++ b/setup.py
@@ -27,6 +27,7 @@
 		   "osmopy/osmo_interact_ctrl.py",
 		   "osmopy/soap.py",
 		   "osmopy/osmo_ctrl.py",
+		   "osmopy/osmo_ipa.py",
 		   "osmopy/twisted_ipa.py",
 		   "osmopy/osmo_verify_transcript_vty.py",
 		   "osmopy/osmo_verify_transcript_ctrl.py"]