Update gitter badge and whitepaper link in README.md
# iotex-core
+[![Join the chat at https://gitter.im/iotex-dev-community/Lobby](https://badges.gitter.im/iotex-dev-community/Lobby.svg)](https://gitter.im/iotex-dev-community/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
[![Go version](https://img.shields.io/badge/go-1.10.2-blue.svg)](https://github.com/moovweb/gvm)
[![CircleCI](https://circleci.com/gh/iotexproject/iotex-core.svg?style=svg&circle-token=fe0817d127f251a34b8bdd3336a808c7537e5ec0)](https://circleci.com/gh/iotexproject/iotex-core)
[![Go Report Card](https://goreportcard.com/badge/github.com/iotexproject/iotex-core)](https://goreportcard.com/report/github.com/iotexproject/iotex-core)
Welcome to the official Go implementation of IoTeX protocol! IoTeX is building the next generation of the decentralized
network for IoT powered by scalability- and privacy-centric blockchains. Please refer to
-IoTeX [whitepaper](https://iotex.io/white-paper) for details.
+IoTeX [whitepaper](https://iotex.io/academics) for details.
Currently, This repo is of alpha-quality with limited features supported and it is subjected to rapid change. Please
contact us if you intend to run it in production.
-## Developer Support
-Feel free to contact us at our Gitter channel, we'd be happy to help: https://gitter.im/iotex-dev-community/Lobby
-
## Minimum requirements
| Components | Version | Description |
