Hq

Hi Alex,

I have been working on auto band-switching for HiQSDR and have some code ready for user testing. As I don't have a pre-selector I can't test it myself but I think Andrea or Sid can. This is my first pull request and I am unsure of exactly how it works but I am hoping that it will allow my hq tree to show in the main repo so others can access it for testing. If that is not the case then I can create a branch hq in the main repo and put my modified files there.

Hope this is not too much of a bother for you.
73, Graeme