[balsa] (39 commits) Non-fast-forward update to branch popover

[Peter Bloomfield <peterb src gnome org>]

The branch 'popover' 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:

  b4495e7... pref-manager: Use GtkPopover for "Add" options
  708a48e... vfs: Port to GMenu
  e472d39... libbalsa-vfs: New API to use with GMenu
  b960fde... various: Port to new LibBalsaVfs API
  324b94a... body: Add a gpointer user_data member
  bf84535... mblist: Port the MRU menu to GMenu
  afd0d1d... Various: Adapt to MRU menu changes
  1f92691... compose window: Break the attachment context menu
  c4837f5... balsa-index: Port context menu to GtkPopover
  47db324... compose window: Improve popover placement
  775b93f... Bump Gtk requirement to 3.22
  517d70c... balsa-index: Improve context menu placement
  6215fb8... compose window: Improve context menu placement
  00c88f8... balsa-message: Improve the GtkPopover popup
  6743fd1... balsa-message: Port another popup to GtkPopover
  fc66297... balsa-message: Port the parts-menu to GtkPopover
  7f77e6f... balsa-index, balsa-message: Check GdkEvent
  3c7e8b3... Various: Port menus to GtkPopover
  869e041... balsa-mime-widget-text: Port HTML popup
  1311a6f... Bump required versions
  6dfd980... compose window: Port the language menu to GMenu
  8791fdd... toolbars: Port the popup menu to GtkPopover
  dfbb7b8... Various: Be more systematic when making GMenu s
  6cf9924... balsa-index: Improve popup positioning at pointer
  7112041... balsa-index: Change popup menu placement
  d9bc098... Fix some fallout from porting from *-event signals
  64925b1... mime-widget-text: Connect to the "pressed" signal
  d7d2a2d... mime-widget-text: Use bmwt_html_ prefix
  00f0f43... compose-window: Use correct action-group
  7298c16... Use BALSA_USE_POPOVER=0 environment var
  88f638b... Use a BALSA_USE_POPOVER=0 environment variable
  e71607b... pref-manager: Use GtkMenuButton
  793a44d... Various: Make GtkMenu versions work
  436fec1... Various: Implement libbalsa_popup_widget_new()
  17080f4... Various: Check GTK_IS_POPOVER() when popping down
  9fe6052... Various: Actually launch the default app
  6dd63e8... Various: Drop an unused parameter
  bf91655... balsa-message: Use the correct GtkMenu

Commits added to the branch:

  33fe183... fix issue #38 (*)
  11bc648... pref-manager: Use GtkPopover for "Add" options
  ae733e1... vfs: Port to GMenu
  2d45b31... libbalsa-vfs: New API to use with GMenu
  1dea650... various: Port to new LibBalsaVfs API
  4bb9fec... body: Add a gpointer user_data member
  520c168... mblist: Port the MRU menu to GMenu
  9cff51b... Various: Adapt to MRU menu changes
  b79e76b... compose window: Break the attachment context menu
  ff1474d... balsa-index: Port context menu to GtkPopover
  1338009... compose window: Improve popover placement
  ad937a2... Bump Gtk requirement to 3.22
  55a2db6... balsa-index: Improve context menu placement
  d15f6fc... compose window: Improve context menu placement
  dd38f9d... balsa-message: Improve the GtkPopover popup
  9758e46... balsa-message: Port another popup to GtkPopover
  39d515f... balsa-message: Port the parts-menu to GtkPopover
  3e441b6... balsa-index, balsa-message: Check GdkEvent
  39d2d2d... Various: Port menus to GtkPopover
  c9e9da6... balsa-mime-widget-text: Port HTML popup
  2c37716... Bump required versions
  aa20799... compose window: Port the language menu to GMenu
  1040293... toolbars: Port the popup menu to GtkPopover
  836c3ec... Various: Be more systematic when making GMenu s
  c80b4cf... balsa-index: Improve popup positioning at pointer
  46873e3... balsa-index: Change popup menu placement
  b5de87a... Fix some fallout from porting from *-event signals
  a96528c... mime-widget-text: Connect to the "pressed" signal
  23648f3... mime-widget-text: Use bmwt_html_ prefix
  e6a3540... compose-window: Use correct action-group
  47848c9... Use BALSA_USE_POPOVER=0 environment var
  e5d3d8f... Use a BALSA_USE_POPOVER=0 environment variable
  0c89e38... pref-manager: Use GtkMenuButton
  8e1d444... Various: Make GtkMenu versions work
  5d55924... Various: Implement libbalsa_popup_widget_new()
  1d69220... Various: Check GTK_IS_POPOVER() when popping down
  7f6557f... Various: Actually launch the default app
  09dda7b... Various: Drop an unused parameter
  77a6f6e... balsa-message: Use the correct GtkMenu

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