Change download stats 'back'

Don't show download and snatched as split values on home progress bar
Include never aired but downloaded in counts

Count aired never downloaded/ snatched stats
Change initial search run delay times to lower values
Merge branch 'change_download_stats' into development

* change_download_stats:
  Change download stats 'back'
Merge branch 'change_initial_search_run_delay_time' into development

* change_initial_search_run_delay_time:
  Change initial search run delay times to lower values