[gedit] (7 commits) ...spell-checker: init language at object construction time

[Sébastien Wilmet <swilmet src gnome org>]

Summary of changes:

  d9b7b96... spell-checker: prefix for signal enums (*)
  1ebae80... spell-checker: remove the set-language signal, use notify i (*)
  39e8a4a... spell-checker: use a Private struct (*)
  ef76347... spell-checker: use G_DECLARE macro (*)
  a10546a... spell-checker: check for lang equality in set_language() (*)
  7b657d5... spell-checker: remove lang parameter of lazy_init() (*)
  6a66531... spell-checker: init language at object construction time

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