[easytag] (9 commits) Non-fast-forward update to branch wip/dsf-support

[David King <davidk src gnome org>]

The branch 'wip/dsf-support' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  51ff491... Read DSF header information
  c6140d6... Read ID3v2 tags from DSF files
  3b2d8de... Write ID3v2.4 tags to DSF files
  3c6106f... Write ID3v2.3 tags to DSF files
  903801a... Move private ID3 functions into a separate header
  995de83... Strip additional ID3 date fields while saving
  f6d3a2a... WIP Add tests for DSF format support

Commits added to the branch:

  084f04a... Move busy cursor handling to application window (*)
  d5c3569... Add simple test for Convert_Duration() (*)
  a4de9a5... Read DSF header information
  bb947eb... Read ID3v2 tags from DSF files
  8b55b46... Write ID3v2.4 tags to DSF files
  24d1976... Write ID3v2.3 tags to DSF files
  e3943ac... Move private ID3 functions into a separate header
  f4d2ea3... Strip additional ID3 date fields while saving
  af060d7... WIP Add tests for DSF format support

(*) This commit already existed in another branch; no separate mail sent