Replace Horizon cookies by the angular one

    This change allow us to use the ngCookies module in the angular
app of Horizon, it also provide this service outside through the
horizon.cookies object.

Change-Id: I12d85efdff32ce4d7d6a9d3a65e1e93ec0bbc9a7
Implements: blueprint horizon-angular
Co-Authored-By: miziel-r <robert.mizielski@cloudwatt.com>