Allow text frames with encoding type 1 and big endian BOM to be decoded as big endian.
Merge pull request #56 from dlundy/master

Allow text frames with encoding type 1 and big endian BOM to be decoded ...
Add method to clear album image, fixes #46
Merge branch 'master' of https://github.com/mpatric/mp3agic

# By David Lundy (1) and Michael Patricios (1)
# Via Michael Patricios
* 'master' of https://github.com/mpatric/mp3agic:
  Add method to clear album image, fixes #46
  Allow text frames with encoding type 1 and big endian BOM to be decoded as big endian.