message: bump version and use correct bcash
diff: {
  "name": "bitgo",
  - "version": "3.4.15",
  + "version": "3.5.0",
  "description": "BitGo Javascript SDK",
  "main": "./src/index.js",
  "keywords": [
  "bigi": "1.4.0",
  "bignumber.js": "~4.0.2",
  "bitcoinjs-lib": "2.1.4",
  - "bcashjs-lib": "git+ssh://git@github.com:BitGo/bcashjs-lib.git",
  + "bcashjs-lib": "https://github.com/BitGo/bcashjs-lib.git",
  "body-parser": "~1.17.2",
  "bs58": "2.0.1",
  "bs58check": "1.0.4",
  