[evolution/express2] (14 commits) ...Merge gnome-2-30 into express2 to get bugfixes

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  42a69b1... Bug 614644 - Email window's title is blank when subject is  (*)
  fe94770... Introduce a simple extension system for objects. (*)
  5c43eaf... Make EShell extensible. (*)
  cd7fadf... Convert NetworkManager integration to an EShell extension. (*)
  d358da9... [win32] Implement network status detection (*)
  f07352c... Avoid warning about redefined localtime_r (*)
  3dfd9aa... [win32] Be consistent in disabling the lockdown options. (*)
  f0a0902... Fix for bug #613564 If no <> in the email address, addr sho (*)
  a629756... Bug #612236 - Find-As-You-Type in Folder list stops working (*)
  5df72de... Bug #614325 - Shrink/expand To,Cc header images is missing (*)
  74e6e7c... Remove gtk_notebook_set_tab_label_packing(). (*)
  5d362db... Add missing linker flag to NetworkManager extension. (*)
  ad1de0a... Bug #589393 - Configure fails to detect pilot-link utf8 cap (*)
  a16f089... Merge gnome-2-30 into express2 to get bugfixes

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