Add methods that hide the typecasting for FindBy{Name,Uuid}
Add methods that hide the typecasting for FindBy{Name,Uuid}

Change-Id: I5669fa5db2034a3245735191c0f8331542ca064f

JioCloud/contrail-generateDS,JioCloud/contrail-generateDS,varunarya10/contrail-generateDS,vpramo/contrail-generateDS,vpramo/contrail-generateDS,vpramo/contrail-generateDS,vpramo/contrail-generateDS,JioCloud/contrail-generateDS,varunarya10/contrail-generateDS,JioCloud/contrail-generateDS,JioCloud/contrail-generateDS,varunarya10/contrail-generateDS,vpramo/contrail-generateDS,varunarya10/contrail-generateDS,varunarya10/contrail-generateDS