Migrate to Pyone and refactor

Change-Id: I46c92897c394784632b153c7b92cca743f78a67d
Signed-off-by: jomacarpe <josemaria.carmonaperez@telefonica.com>
diff --git a/scripts/install-openmano.sh b/scripts/install-openmano.sh
index 398317d..98d0905 100755
--- a/scripts/install-openmano.sh
+++ b/scripts/install-openmano.sh
@@ -267,6 +267,7 @@
 
     # required for OpenNebula connector
     pip2 install untangle || exit 1
+    pip2 install pyone || exit 1
     pip2 install -e git+https://github.com/python-oca/python-oca#egg=oca || exit 1
 
     # required for AWS connector