[pvr] show gaps on epg timeline grid
Pivos: Speed up aborting addon repo update job.
peripherals: don't show notifications for new devices during the initial scan
Merge pull request #4079 from t-nelson/speed_up_repo_update_abort

Pivos: Speed up aborting addon repo update job.
Merge pull request #4119 from Montellese/peripherals_notifications

peripherals: don't show notifications for new devices during the initial scan
Merge pull request #3888 from vkosh/epg-grid

[pvr] show gaps on epg timeline grid