Submits an import command to the specified handler using specified options.
    This command can only be run if the minion is configured with
    solr.type: 'master'

    handler : str
        The name of the data import handler.
    host : str (None)
        The solr host to query. __opts__['host'] is default.
    core : str (None)
        The core the handler belongs to.
    verbose : boolean (False)
        Specifies verbose output

    Return : dict<str,obj>::

        {'success':boolean, 'data':dict, 'errors':list, 'warnings':list}

    CLI Example:

    .. code-block:: bash

        salt '*' solr.import_status dataimport None music False

def import_status(handler, host=None, core_name=None, verbose=False):
    '''
    Submits an import command to the specified handler using specified options.
    This command can only be run if the minion is configured with
    solr.type: 'master'

    handler : str
        The name of the data import handler.
    host : str (None)
        The solr host to query. __opts__['host'] is default.
    core : str (None)
        The core the handler belongs to.
    verbose : boolean (False)
        Specifies verbose output

    Return : dict<str,obj>::

        {'success':boolean, 'data':dict, 'errors':list, 'warnings':list}

    CLI Example:

    .. code-block:: bash

        salt '*' solr.import_status dataimport None music False
    '''
    if not _is_master() and _get_none_or_value(host) is None:
        errors = ['solr.import_status can only be called by "master" minions']
        return _get_return_dict(False, errors=errors)

    extra = ["command=status"]
    if verbose:
        extra.append("verbose=true")
    url = _format_url(handler, host=host, core_name=core_name, extra=extra)
    return _http_request(url)