RAN Slice YANG Model and Associated Feature code

This includes YANG models to be used for RAN Slice
use case/POC in Gulian, and associated ranSlice
Karaf feature code.

Issue-ID: CCSDK-2661
SIgned-off-by: SandeepLinux <Sandeep.Shah@ibm.com>
Change-Id: I75ab8860c67bd25b7fdbcb5da734d705bfdce1b6
31 files changed