Docker Compose Ui Versions Save

• [Enhancement] Edit docker-compose file for existing services #107

• upgrade to docker-compose 1.20.1

upgrade to compose 1.19.0

• fix project creation

• Add support for .yaml #104

upgrade to compose 1.18.0

• updated to compose 1.17.1
• minor enhancements

upgrade to docker-compose 1.17.0 minor bug fixes and enhancements

• removed links to www.composeregistry.com
• documentation
• minor fixes

• Support for external web console #91
• Save .env content even on update project #89
• minor enhancements

a special thanks to @kesonno to provide the long-awaited (issue #4) web console support