Add episode watched state system that integrates with Kodi, Plex, and/or Emby, instructions at Shows/History/Layout/"Watched".
Add installable SickGear Kodi repository containing addon "SickGear Watched State Updater".
Change add Emby setting for watched state scheduler at Config/Notifications/Emby/"Update watched interval".
Change add Plex setting for watched state scheduler at Config/Notifications/Plex/"Update watched interval".
Add API cmd=sg.updatewatchedstate, instructions for use are linked to in layout "Watched" at /history.
Change history page table filter input values are saved across page refreshes.
Change history page table filter inputs, accept values like "dvd or web" to only display both.
Change history page table filter inputs, press 'ESC' key inside a filter input to reset it.
Add provider activity stats to Shows/History/Layout/ drop down.
Change move provider failures table from Manage/Media Search to Shows/History/Layout/Provider fails.
Change sort provider failures by most recent failure, and with paused providers at the top.
Change remove table form non-testing version 20007, that was reassigned.
Notifiers are now loaded into memory on demand.
Add bubble links to Notifications config tabs.
Add Discordapp notifier to Notifications config/Social.
Add Gitter notifier to Notifications config/Social.
Change order of notifiers in Notifications config tabs.
Remove Pushalot notifier.
Remove XBMC notifier.
Refactor update_library, notify, test notify and test results functions.
Change most IDs and vars consistent for HTML, CSS, JS, and Python - related to notifications, camelCase for JS, underscore separated lower_case for python, hyphen separated-lowercase for CSS. A couple of exceptions have been left untouched in this clean up.
Change commented out some unused vars in preparation for later removal.
