HTBackdrops Fix

by Tompen
v12.2 fix missing libspotify references
Reimplentation of fixes from commit 00b8024 by tompen

https://github.com/akezeke/spotyxbmc2/pull/45
Merge branch 'master' of https://github.com/akezeke/spotyxbmc2.git
Changed HTBackdrops url from .com to .org.
Merge pull request #1 from zebbe152/patch-1

Changed HTBackdrops url from .com to .org.
Merge from jz1 repo