[easytag] (7 commits) Non-fast-forward update to branch wip/core-refactoring

[David King <davidk src gnome org>]

The branch 'wip/core-refactoring' 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:

  ee2fe0f... Refactor function to check if all files are saved
  022ea7b... Refactor file list freeing functions
  93d26f8... Refactor artist album file list functions
  976624e... Remove unused displayed list function
  dac0a60... Refactor several file list functions

Commits added to the branch:

  5709590... Fix common symbol linker warnings (*)
  afa692a... Refactor function to check if all files are saved
  d880f12... Refactor file list freeing functions
  0b5f299... Refactor artist album file list functions
  75100c4... Remove unused displayed list function
  e2a68c4... Refactor several file list functions
  11bcabd... Remove several unused functions

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