[devhelp] (15 commits) Non-fast-forward update to branch wip/swilmet/misc-improvements

[Sébastien Wilmet <swilmet src gnome org>]

The branch 'wip/swilmet/misc-improvements' 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:

  2137368... Remove some useless #includes
  20b8bfa... book: better document instance variables
  00302c8... book: deprecate unused comparison functions
  a56530c... book-manager: connect to DhBook signals with g_signal_conne
  3d1aadf... book-tree: use g_signal_connect_object()
  d5f3277... book-tree: spring clean-up
  6fad50b... Update .gitignore
  f2dc58d... keyword-model: spring clean-up
  5fcb9ca... sidebar: better variable and function names for idles
  ddd5c62... sidebar: dispose() before finalize()
  e70350b... sidebar: remove idle functions in dispose()
  c467838... sidebar: use GDK_EVENT_STOP and GDK_EVENT_PROPAGATE
  fd35e35... sidebar: use g_signal_connect_object()
  af9a71f... book-tree: disable type ahead search
  1bafcc8... Remove unused util functions

Commits added to the branch:

  148a1b9... Remove some useless #includes
  3eef1d4... book: better document instance variables
  10848a4... book: deprecate unused comparison functions
  0c8dd9c... book-manager: connect to DhBook signals with g_signal_conne
  7d3598a... book-tree: use g_signal_connect_object()
  2dc6f6c... book-tree: spring clean-up
  6555cc7... Update .gitignore
  f8fd21c... keyword-model: spring clean-up
  2b0f6fa... sidebar: better variable and function names for idles
  8bb394a... sidebar: dispose() before finalize()
  6e77930... sidebar: remove idle functions in dispose()
  1f7846e... sidebar: use GDK_EVENT_STOP and GDK_EVENT_PROPAGATE
  f03f197... sidebar: use g_signal_connect_object()
  0e96be8... book-tree: disable type ahead search
  80d14d9... Remove unused util functions