Merge pull request #116 from binance-chain/develop

[R4R] prepare for release v0.31.5-binance.2

Author: unclezoro

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## v0.31.5-binance.2
+*Sep 6th, 2019*
+### FEATURES:
+- [config] [\#115](https://github.com/binance-chain/bnc-tendermint/pull/115) add option to enable range query for tx indexer;add option to disable websocket
+- [sync] [\#97](https://github.com/binance-chain/bnc-tendermint/pull/97) supoort hot sync reactor 
+
+### IMPROVEMENTS:
+- [index] [\#106](https://github.com/binance-chain/bnc-tendermint/pull/106) index service recover from data lost
+- [P2P] [\#106](https://github.com/binance-chain/bnc-tendermint/pull/107) introduce skip_tx_from_persistent config and other basic p2p improvement 
+
 ## v0.31.5-binance.1
 *July 17th, 2019*