Add user option to artifactory cleanup tools and fix typo

Change-Id: I35e24b84ad1d5f5845b8f9598484ff09322bdc27
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/tools/cleanupRepo.py b/tools/cleanupRepo.py
index 997d6bf..44ab6a1 100755
--- a/tools/cleanupRepo.py
+++ b/tools/cleanupRepo.py
@@ -28,8 +28,9 @@
 arg_parser=argparse.ArgumentParser(description="Tool to retrieve the latest build from the artifactory server")
 arg_parser.add_argument('--branch',default=None)
 arg_parser.add_argument('repo')
-arg_parser.add_argument('--url',default='https://artifactory-osm.etsi.org/)
+arg_parser.add_argument('--url',default='https://artifactory-osm.etsi.org/')
 arg_parser.add_argument('--keep',default=5)
+arg_parser.add_argument('--user', default='admin')
 arg_parser.add_argument('--password',default='')
 arg_parser.add_argument('--debug',default=None)
 
@@ -59,7 +60,7 @@
     if args.debug:
         print("going to delete {}".format(delete_url+entry['uri']))
     else:
-        requests.delete(delete_url + entry['uri'], auth=('admin',args.password))
+        requests.delete(delete_url + entry['uri'], auth=(args.user, args.password))
 
 
 # empty the trash can