0.18.5: zip / tar.gz / issues

Release Notes:

HTTPS support for CouchDB river (#1480)
By default, set http.compression to false (#1482)
DocumentMapper.java wrong order on build rootMappers (#1493)
Support using _id:1234, or using term query/filter on _id even when _id is not indexed (#1496)
Upgrade to netty 3.2.7 (#1506)
When _source is disabled, don’t return it in realtime get fetching the document from the transaction log (#1509)
AWS Plugin: Add more automatic region configuration (#1490)
Analysis:
- Add language setting to lowercase filter, supporting greek and turkish (#1503)
- Support greek language in the stemmer filter (#1504)
Query DSL: indices query to allow to set a no_match_query (#1492)

Thrift transport handling unexpected URI hangs (#1484)
IndicesQueryBuilder generates the wrong query name (#1485)
Multi field mapper with more than one extra mapping can cause endless re-sync’ing of mapping between nodes (#1487)
Using _parent:123 in a query string query fails to fetch docs (#1497)
Registering a percolate query with additional “object” level metadata can fail (#1505)