Log Message:
Update to 2.28.0, set LICENSE:

==============
Version 2.28.0
==============

* Release for GNOME 2.28.0

Updated translations:

  Chao-Hsiung Liao (zh_HK)
  Chao-Hsiung Liao (zh_TW)
  Nils-Christoph Fiedler (nds)

===============
Version 2.27.91
===============

* Release for GNOME 2.27.91
* Fixed bug 579059: the storm background is missing in the appearance dialogs

Updated translations:

  Adi Roiban  (ro)
  Amanpreet Singh Alam  (pa)
  F Wolff  (af)
  Gil Forcada  (ca@valencia)
  Ihar Hrachyshka  (be@latin)
  Khaled Hosny  (ar)
  Krishna Babu K  (te)
  Laurent Dhima  (sq)
  Margulan Moldabekov  (kk)
  Og Maciel  (pt_BR)
  Peteris Krisjanis  (lv)
  Rajesh Ranjan  (hi)
  Runa Bhattacharjee  (bn_IN)
  Suso Baleato  (gl)
  Telsa Gwynne  (cy)