BREAKING CHANGE

change 3 plural requests:

## getTopicsByType()

    GET /core/topic/type/{uri}
    ->
    GET /core/topics/type/{uri}

## queryTopics

    GET /core/topic/type/{uri}/query/{value}
    ->
    GET /core/topics/type/{uri}/query/{value}

## queryTopicsFulltext

    GET /core/topic/query/{query}
    ->
    GET /core/topics/query/{query}