[kupfer] (19 commits) ...Remove transition imports (kupfer.helplib and parts of kupfer.objects)

[Ulrik Sverdrup <usverdrup src gnome org>]

Summary of changes:

  33ac3a2... google: Google "direct" search plugin (*)
  e2c8b5f... thunar: Thunar-specific actions based on D-Bus API (*)
  9855daf... documents: Correct descriptions for gtk bookmarks (*)
  20c8ecc... obj: Remove all builtin OpenWith actions
  bc25522... obj: A universal action Open to open any file
  9a8016c... Change KupferObject's alias API (*)
  fa56fb0... Display "disabled" in plugin info when not loaded (*)
  65fba9a... All Plugins should define description variables first (*)
  26ee8ca... contrib: Define description variables first (*)
  efdc4aa... core: Only call get_plugin_infos once in get_plugin_desc (*)
  fb55c6b... core: Reorganize plugin importing, introduce import_plugin_ (*)
  8401517... core: Truncate code in _import_plugin_fake (*)
  52a5537... Make get_text_items(self, text) into TextSource's defining  (*)
  477a966... Check for the get_text_items attribute when using TextSourc (*)
  359df88... Adapt plugins Core (Text) and Shell Commands to get_text_it (*)
  5701617... volumes: Update to use Open action
  626500a... Merge branch 'next'
  cf98045... Merge branch 'common-open'
  d79ad5a... Remove transition imports (kupfer.helplib and parts of kupf

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