v1.0.0-beta.2

• Multiple inputs and outputs for the GEF jobs (service metadata format has been changed, now inputs have types: string or URL)
• ReadMe was extended: API calls examples with curl command. Descriptions for the new endpoints were added
• The second directive engine support
• Async service building. Now the system does not time out if the image building process takes too much time
• UI improvements: jobs table sorting bug fix, fewer warnings in the debugging console, minor bug fixes