Added example pls files (playlist files pointing to stream urls).
Merge branch 'master' of github.com:/DirkR/capturadio

* 'master' of github.com:/DirkR/capturadio:
  Introduced config.tempfile
  add_show() and add_station() log with debug priority.
  Remove temprary file also if the recording didn't succeed.
  Better formating of the error message during recorder._add_logo()
  Fixes issue #5
  Include the latest 20 episodes into a feed.
  repaired character filter for file names.