Git Hub Integration issues

Hey all,
I have read all the doc s I can find on how to do the git hub integration but I fail at the first hurdle. When I go to my SmartApps in the IDE, I don’t have any buttons for github integration. That is using the EU shard which is correct for my hub. If I login to either of the US shards, I can see the github integration options but I have been lead to believe that its pointless doing it on the wrong shard?
I was wondering if the reason I can’t see the integration stuff is because I already have Smart Apps and Device Handlers setup in my hub? Do I need to remove those and basically start from scratch again?

Any good back up options if I do have to reset and start again?

Have you been through this one?

Yes, that is one of the docs I have looked at and I have seen no mention of any prerequisites different to what I am doing.

What should be straightforward seems to be a problem for me right now.