Bump the version to 1.3.0

* Fixed the broken commitHash RPC in a docker image #1443
* Fixed the crash in Tendermint #1514
* Added base-path option #236
* Fixed the crash on exit #348
* Reduced the booting time #1513

Author: Seulgi Kim

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "codechain"
-version = "1.2.0"
+version = "1.3.0"
 license = "AGPL-3.0"
 authors = ["CodeChain Team <hi@codechain.io>"]
 exclude = [