• in tags editing (feed or episode), fixed tags not being removed
• added basic functionalities to manage timers
  • adding a timer now supports a full calendar
  • in EpisodeInfo, added icon to add/show/edit/remove timers
    • click on it, if no timers, opens add timer dialog, otherwise, opens timer list dialog
    • long-click on it, opens add timer dialog
  • on timer list dialog, timer can be edited/removed
  • in Facets, added sub-screen for episodes with timers set
    • when the sub-screen is opened, old timers are cleared
• further merging common code blocks of EpisodeInfo and PlayerDetails
• some code refactoring