option to disable colors in output

cli/hv2cli.py

@@ -38,14 +38,21 @@ parser.add_argument('--verbosity', '-v',
                     help='Minimal log level for output: DEBUG, INFO, WARNING, ..., default: DEBUG',
                     required=False,
                     default="DEBUG")                    
+parser.add_argument('--nocolorize', '-n',
+                    help='disable colored output (for cron)',
+                    required=False,
+                    action='store_true',
+                    default=False)
+
 args = parser.parse_args()
 operation = args.operation
 params = json.loads(args.params)
 logLevel = args.verbosity
+noColorize = args.nocolorize
 
 
 logger.remove()
-logger.add(sys.stderr, colorize=True, level=logLevel)
+logger.add(sys.stderr, colorize=(not noColorize), level=logLevel)
 
 
 dbh = None