Sticky threads v1.4 changes: Added andy_sticky_threads.less template to allow easy background color changes.
Sticky threads v1.3 changes: Updated template modification. Now works correctly without requiring extra.less code to be added.
Sticky threads v1.2 changes: No longer requires adding code to the extra.less template.
Sticky threads v1.1 changes: Now works with XF 2.2 and newer.
