Added buttons to see an episode webpage,

• Added buttons to see an episode webpage,
  Show custom title in dialogs to fix small sizes,
  Only open external browser if user requested it,
  Hide exception in the crash dialog by default,
  Fixed possible crashes if no poster or title was found,
  Removed unused things,
  Let user to reload an feed if it has failed to load,
  Load 6 feeds at the same time on the search screen,
  Automatically select first video if no more was found,
  Hide video quality options if less then 2 videos was found,
  Translate KR as Korea ~MrBoomDev