2.9.5:

* ServerProvider: Added get_value_at() and set_value_at().
  (Armin Burgmeier, Openismus) 
* Removed Gnome::Gda::value_compare(), Gnome::Gda::value_compare_ext()
  and Gnome::Gda::value_equal(). There is Gnome::Gda::Value::operator== 
  to test for equality.  (Armin Burgmeier, Openismus)
* Parameter: Added set_entry_plugin(). (Armin Burgmeier, Openismus)
* Build: Cope with newer versions of m4. (Yselkowitz)