[devhelp] (10 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:

  bcdd34f... sidebar: dispose() before finalize()
  bb92b7c... sidebar: remove idle functions in dispose()
  5389bae... sidebar: use GDK_EVENT_STOP and GDK_EVENT_PROPAGATE
  b498ba1... sidebar: use g_signal_connect_object()
  6ef2e37... Remove unused util functions
  3cb41b4... assistant: use GDK_EVENT_STOP
  43a1334... Remove some useless #includes
  b40ae40... app: simplify activate
  ce84eec... app: improve about dialog
  c12a3f2... book-tree: disable type ahead search

Commits added to the branch:

  b3862e6... dispose() before finalize()
  8edb7b7... sidebar: remove idle functions in dispose()
  010359d... sidebar: use GDK_EVENT_STOP and GDK_EVENT_PROPAGATE
  73d39f8... sidebar: use g_signal_connect_object()
  4763132... Remove unused util functions
  09a96c4... assistant: use GDK_EVENT_STOP
  7dd1dea... Remove some useless #includes
  be3268c... app: simplify activate
  171ec52... app: improve about dialog
  7d4baaf... book-tree: disable type ahead search