2.5.1:

* Updated for the latest libsigc++2 API.

2.5.0:
 
This is the new unstable branch of the parallel-installable gconfmm 2.6,
for use with gtkmm 2.4.

2.0.1:

* Prevent double-destruction segfault in Entry (Oe Laursen)

2.0.0:

* Client: Added get_entry() overload, using default locale.
  (Andreas Holzmann)
* Client, ChangeSet, Schema: get_*() methods are now const.
  (Andreas Holzmann)
* Schema, Entry: Removed obsolete constructors.
  (Bassoukos Anastasios)
