libgpaste-applet: add text-mode to history and item

they are no-op for now

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
move some more code around

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
libgpaste-applet: actually implement text mode for item

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
libgpaste-applet: history: also apply text mode to current items

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
libgpaste-applet: history: also apply text mode to new items

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
libgpaste-applet: text-mode fixes

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
update NEWS

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
Merge branch 'gpaste-3.10' into gpaste-3.12

* gpaste-3.10:
  update NEWS
  libgpaste-applet: text-mode fixes
  libgpaste-applet: history: also apply text mode to new items
  libgpaste-applet: history: also apply text mode to current items
  libgpaste-applet: actually implement text mode for item
  move some more code around
  libgpaste-applet: add text-mode to history and item