Rename Savanna to Sahara

This change is for Fuel 5.0(IceHouse)

Implements: bug #1297733

Change-Id: Ifae910470190c3f93f828cbb668498b446ccde0a
Add command for create database schema for Sahara

This change is for Fuel 5.0 (IceHouse)

Change-Id: Idc75cf46655edf2991f3dad010c8c591b63d7016
Merge "Rename Savanna to Sahara"
Merge "Add command for create database schema for Sahara"