Add cbrs_monitor.py to monitor cell down status and reboot eNB

Add backup wrapper script

Fix tests

Change-Id: I3245a8f2ce166e5e92454b99a9a94941da043b42
diff --git a/.gitignore b/.gitignore
index 01c9c58..48c25dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 venv_cbrs
 output
 *.p12
+*.json