Log Message:
Update to 5.2.2

Changelog:
libgda 5.2.2, 2013-12-23

 - Avoid using setlocale() in libraries
 - Bugs corrected: GraphViz detection, #720594
 - Translations:
        - it (Marco Ciampa, Milo Casagrande)

libgda 5.2.1, 2013-11-17

 - Fixed a Unix compilation issue, bug #712143
 - Improved configure script output
 - Translations:
        - de (Benjamin Steinwender)

libgda 5.2.0, 2013-11-11

 - Vala bindings improvements, thanks to Daniel Espinosa
 - Improvements to most database providers (MySQL, PostgreSQL, SQLite, \ 
SqlCipher, JDBC, ...)
 - Use SqlCipher 3.0.0 and Sqlite 3.8.0.2
 - Switched to GTK+3
 - Lots of work on the Windows platform
 - Many bugs fixed
 - Translations updated for many languages, thanks to all the translators!