Add version cmd to get build and version info for Kuchain

[aquarius-kuchain]

Summary

Add version cmd to get build and version info for Kuchain.

Introduction

We need get version info by kucd, so it can make us to use current version.

./build/kucd version -h     
Print kuchain version numbers
against which this app has been compiled.

Usage:
  kucd version [flags]

Flags:
  -h, --help     help for version
  -j, --json     print version info by json
  -s, --simple   if just print simple version of kucd

we can use -s to get a simple version info:

./build/kucd version -s
0.3.2-rc

or get all infos in yaml or json:

./build/kucd version   
name: kuchain
tendermint_version: 0.33.6
abci: 0.16.2
block_protocol: 10
p2p_protocol: 7
version: 0.3.2-rc
branch: features/get-version
build_time: 2020-08-19 03:39.27
sdk_version: github.com/cosmos/[email protected]
commit: 333ca3721dc045944d9d61ee1ba6dca301b8dd31
build_tags: netgo,ledger

./build/kucd version -j | jq
{
  "name": "kuchain",
  "tendermint_version": "0.33.6",
  "abci": "0.16.2",
  "block_protocol": 10,
  "p2p_protocol": 7,
  "version": "0.3.2-rc",
  "branch": "features/get-version",
  "build_time": "2020-08-19 03:39.27",
  "sdk_version": "github.com/cosmos/[email protected]",
  "commit": "333ca3721dc045944d9d61ee1ba6dca301b8dd31",
  "build_tags": "netgo,ledger"
}

Modifys

• Add Build Infos in Makefiles
• Add Version cmd in kucd

---

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• Targeted PR against correct branch
• Linked to Github issue with discussion.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Re-reviewed Files changed in the Github PR explorer
• Review Codecov Report in the comment section below once CI passes