Single-Domain Slice FCAPS management

Summary
Aggregates content from previous D6.1 and D6.2: Single-Domain Slices Management (Fault, Configuration & Accounting) And Slice Fault, Configuration and Accounting capabilities of the Slice Management, Architecture Single-Domain Slice Management (Performance, SLA and Security), and D6.5 for Security in Intra Domains. Report and Prototype of the Network Slice Performance and Security Fault, Configuration and Accounting capabilities of the Slice Management Architecture