Fix issue with national characters in title and/or subtitle.

When a recording contains non-ascii characters in either the
title and/or the subtitle, MythTV/logging.py throws an error
  UnicodeEncodeError: 'ascii' codec can't encode character ...
Resolved by adding explicit encoding.
Fix another issue with national characters in title and/or subtitle.

When a recording contains non-ascii characters in either the
title and/or the subtitle, MythTV/logging.py throws an error
  UnicodeEncodeError: 'ascii' codec can't encode character ...
Resolved by adding explicit encoding.
Merge pull request #1 from peterdv/spmorton_master_fix_encoding-1

Spmorton master fix encoding 1