1) Update doc links according to OpenStack document migration 2) Use https instead of http for docs links Change-Id: I9f40407e7b1a3db4d9ace7703e6927eb9c9a94e4
Heading in Hacking file is corrected Change-Id: Ib44d70c08519cf28d0fa9cfab92e31ae2ecefffa
Change-Id: I30eb092d9a70dc6b3642a84887bb4604b1a3ea54