[easytag] (6 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:

  684daca... WIP Avoid using filename_from_display()
  9a9b77d... Use GFile in et_browser_select_dir()
  34b20da... Use GFile for current browser path

Commits added to the branch:

  8ea193f... Use GFile in et_browser_select_dir() (*)
  2609e84... Use GFile for current browser path (*)
  9a2c766... Remove unused Windows backslash removal function (*)
  2b3adb1... Solve a FIXME when changing file extension case
  063dbf2... Use the GFile edit name in the file area entry
  21c01d2... Replace g_utf8_str[r]chr() usage with str[r]chr()

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