fix bug 874. Adding mapping between descriptor elements and n2vc name at...

fix bug 874. Adding mapping between descriptor elements and n2vc name at config initial primitive for NS.
Call always a config intial-primitive for NS even it is not explicit at descriptor

Change-Id: Ic5513f09d9b7a91b8c1e85d0915d4a0f5e696c71
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>