Support Tiers v2

Closes #1564 (closed), #1565 (closed), #1566 (closed)

Database

New ElasticSearch mapping

This mapping should be added to all types, or at least to activity, object:image, object:video, object:blog, in minds_badger.

"@wire_support_tier_expire": {
  "type": "date"
}

New Cassandra Schema

CREATE TABLE minds.wire_support_tier (
    entity_guid bigint,
    guid bigint,
    public boolean,
    name text,
    description text,
    usd decimal,
    has_usd boolean,
    has_tokens boolean,
    PRIMARY KEY (entity_guid, guid)
);