Merge branch 'issue_55_fix_version' into 'master'

Add version option

Closes #55

See merge request !58

beat/cmdline/scripts/main_cli.py

@@ -23,7 +23,6 @@ logging.Logger.extra = _extra
 @click.group(cls=AliasedGroup)
 @click.option('-T', '--test-mode', help='Assume test mode and doesn\'t setup '
               'the logging module', default=False, is_flag=True)
-@click.option('-V', '--version', help='Show version', is_flag=True)
 @click.option('-p', '--prefix',
               help='Overrides the prefix of your local data. '
               'If not set use the value from your RC file',
@@ -43,13 +42,13 @@ logging.Logger.extra = _extra
               help='Overrides the user editor to edit local files. If not '
               'set, use the value from your environment. There are no '
               'defaults for this option.', type=click.STRING)
+@click.version_option()
 @verbosity_option()
 @click.pass_context
-def main(ctx, test_mode, version, prefix, cache, user, token, platform, editor):
+def main(ctx, test_mode, prefix, cache, user, token, platform, editor):
     """The main command line interface for beat cmdline. Look below for available
     commands."""
 
-    ctx.meta['--version'] = version
     ctx.meta['--prefix'] = prefix
     ctx.meta['--cache'] = cache
     ctx.meta['--user'] = user