Generates docs for a property.

Descriptions got merged from all levels. Other params
will not be merged and first non-empty value will be used
function genProperty(members, name) {
    var res = {
        name: name,
        deprecated: false,
        description: '',
        types: []
    };

    members.filter({
        kind: 'member',
        name: name
    }).each(function(doclet) {
        if (doclet.description) {
            res.description += doclet.description + '\n';
        }

        if (!res.access) {
            res.access = doclet.access;
        }

        if (!res.scope) {
            res.scope = doclet.scope;
        }

        if (doclet.deprected) {
            res.deprecated = true;
        }
        if (res.types.length === 0 && doclet.type) {
            res.types = doclet.type.names.slice(0);
        }
    });

    res.scope = res.scope || 'instance';
    res.access = res.acccess || 'public';

    return res;
}