@WorkerThread
    @SuppressWarnings("UnusedReturnValue")
    static boolean ignoreCache(@NonNull final Geocache cache) {
        final String uri = "https://www.geocaching.com/bookmarks/ignore.aspx?guid=" + cache.getGuid() + "&WptTypeID=" + cache.getType().wptTypeId;
        final String page = GCLogin.getInstance().postRequestLogged(uri, null);

        if (StringUtils.isBlank(page)) {
            Log.e("GCParser.ignoreCache: No data from server");
            return false;
        }

        final String[] viewstates = GCLogin.getViewstates(page);

        final Parameters params = new Parameters(
                "__EVENTTARGET", "",
                "__EVENTARGUMENT", "",
                "ctl00$ContentBody$btnYes", "Yes. Ignore it.");

        GCLogin.putViewstates(params, viewstates);
        final String response = Network.getResponseData(Network.postRequest(uri, params));

        return StringUtils.contains(response, "<p class=\"Success\">");
    }
Merge log entries and mark them as friends logs (personal and friends) to identify
them on friends/personal logs tab.

@param mergedLogs  the list to merge logs with
@param logsToMerge the list of logs to merge
main/src/main/java/cgeo/geocaching/connector/gc/GCParser.java