Added Comet Backup plugin

plugins/comet/comet_server_history

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+from comet_server import CometServer
+
+def config():
+	print('graph_title Comet Server History')
+	print('graph_args --base 1000')
+	print('graph_category Comet')
+	print('buckets.label Storage buckets')
+	print('buckets.colour 4d98d7')
+	print('users.label Users')
+	print('users.colour cf4848')
+	print('devices.label Devices')
+	print('devices.colour 58b154')
+	print('boosters.label Boosters')
+	print('boosters.colour a561d3')
+
+def main():
+	cs = CometServer()
+	print("buckets.value " + str(cs.countBuckets()))
+	print("users.value " + str(cs.countUsers()))
+	print("devices.value " + str(cs.countDevices()))
+	print("boosters.value " + str(cs.countBoosters()))
+
+if __name__ == '__main__':
+	if len(sys.argv) > 1 and sys.argv[1] == 'config':
+		config()
+	else:
+		main()