Addressing open issues for 'Make branch attribute available when publishing and resolving Ivy modules'
- Renaming IvyModuleDescriptor to IvyModuleDescriptorSpec
+review REVIEW-5059
Addressing open issues for 'Make branch attribute available when publishing and resolving Ivy modules'
    - Renaming IvyModuleMetadata to IvyModuleDescriptor
    +review REVIEW-5059