2.0.0

Repository was moved from https://github.com/kevinpapst/kimai2-console to https://github.com/kimai/cli

• BC: removed support for username and API password (needs new API_TOKEN entry in config file)
• BC: renamed config file kimai2-console.json to kimai-api.json
• allow newer PHP versions
• bump dependencies and upgrade code styles
• upgrade to latest Kimai API
• added API token support

EDIT: replaced the assets, as the SHA1 sum file was an invalid version.