See if specified jail is currently running

    CLI Example:

    .. code-block:: bash

        salt '*' jail.status <jail name>

def status(jail):
    '''
    See if specified jail is currently running

    CLI Example:

    .. code-block:: bash

        salt '*' jail.status <jail name>
    '''
    cmd = 'jls'
    found_jails = __salt__['cmd.run'](cmd, python_shell=False)
    for found_jail in found_jails.split('\\n'):
        if re.search(jail, found_jail):
            return True
    return False