libgda 4.2.4, 2011-02-16

 - SQLite provider: correctly report error messages (for example instead of "constraint failed")
 - SQLite provider: correctly report if foreign key constraints are enforced or not
 - Added possibility to "declare foreign key constraints", which are declarations in the
   metadata where databases don't actually use foreign keys
 - GdaMetaStruct: report information about foreign keys
 - GdaBrowser: many small improvements and corrections
 - GdaSql and GdaBrowser: display more information about database providers and DSN's connection
   parameters, and display information about foreign key constraints
 - Documentation improvements and corrections
 - Misc small corrections
 - Bug fixes: #639533, #639897, #639897, #640482, #642037, #642100 and #642170
 - translations:
	- sl (Matej Urbančič)
	- es (Daniel Mustieles)
	- cz (Marek Černocký)
	- fr (Bruno Brouard)
	- de (Christian Kirbach)