Simplified service field generation
Added egg environment variables and visibility options to the package fields
Updated to default service fields to package values for egg variables
Updated to hide egg variable fields according to the package settings
Updated to save egg variables in the service fields
Simplified service field generation Added egg environment variables and visibility options to the package fields Updated to default service fields to package values for egg variables Updated to hide egg variable fields according to the package settings Updated to save egg variables in the service fields