[easytag] (21 commits) Non-fast-forward update to branch wip/application-window

[David King <davidk src gnome org>]

The branch 'wip/application-window' 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:

  82f1e3e... Remove main configuration file handling
  41f82eb... Fix some const string warnings
  fed4e84... Add an app menu
  19e76e1... Add skeleton menubar from GtkBuilder file
  3276936... Use GAction for go-directory actions
  c8741fb... Use GAction for miscellaneous menu items
  8021775... Add toolbar for new GAction-using toolbar buttons
  f23dd85... Use GAction for go-file actions
  1d9374e... Use GAction for browser menu items
  bde4c32... Use GAction for edit menu items
  caf6752... Use GAction for file menu items
  d8a2740... Use GAction for some view menu items
  c600dfb... Use GAction for file sorting mode GSetting
  4751fb6... Use GMenuModel for popup menus
  0ad7fd0... Remove now-unused UIManager proxy logic
  2e3a9f2... Use GAction for toolbar stop button
  1e24de8... Use named icons instead of GtkStock in some places
  eba0553... Convert XPM image data to PNG
  e7345f9... Avoid deprecated margin property with GTK+ 3.12
  1cb1168... Refactor popup menu handling
  9be57e7... Remove last uses of GtkAction

Commits added to the branch:

  bd671be... Remove main configuration file handling
  27da59a... Fix some const string warnings
  5683fe3... Add an app menu
  4f4c2df... Add skeleton menubar from GtkBuilder file
  6d98d3d... Use GAction for go-directory actions
  5281f0f... Use GAction for miscellaneous menu items
  1cd6d36... Add toolbar for new GAction-using toolbar buttons
  5afd2bc... Use GAction for go-file actions
  b35097a... Use GAction for browser menu items
  c64b585... Use GAction for edit menu items
  5f6214a... Use GAction for file menu items
  3bef7dd... Use GAction for some view menu items
  6994139... Use GAction for file sorting mode GSetting
  6bb5baf... Use GMenuModel for popup menus
  3326879... Remove now-unused UIManager proxy logic
  bed406c... Use GAction for toolbar stop button
  f5c8733... Use named icons instead of GtkStock in some places
  5d3de69... Convert XPM image data to PNG
  fb73a6a... Avoid deprecated margin property with GTK+ 3.12
  13f2cf3... Refactor popup menu handling
  81a6613... Remove last uses of GtkAction