0.3.1 (Lithium)

Release 0.3.1

• Pass host argument to 'ng serve' to fix connection denial issue
• removed whiles which shdul be excluded from the project
• added dockerfile to build a docker image for the IEP wallet
• run the wallet on nginx web server
• use testnet by default
• moved base root folder to root
• added dockerignore file
• changed image name to decentage/XXXX:latest
• upgraded cli and angular to v6
• Create dependabot.yml
• update cli version in docker
• Serve from wallet path
• node script to run ng serve with process.env params
• add prestart script
• introduced new environment variables concept
• expanded env variables
• cleanup nginx startup script
• validate passphrase