DZS-00: Segment HashIndex impl
Merge branch 'master' of github.com:xphoenix/dzsearch

Conflicts:
	dzs-store/dzs-store-raw/src/main/java/com/dzsearch/store/exthash/BucketBlockFormat.java
	dzs-store/dzs-store-raw/src/main/java/com/dzsearch/store/exthash/IHashRowBlockFormat.java