Bugfixes
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* Not linked to a bug report:
* Reverted wrong change on the exception handling of timezone conversions, to avoid regression.
* Return an empty string if the value of the field is null
* win32: add mfc71.dll into py2exe setup, because it's needed to get system font
* can't save document with selection in tree_gtk view containing accentuated data
* accept superadmin password with length > 16 on database creation window
* report timeout: really use client.timeout option for max_attends
* survey dialog: add window title, react to window 'delete event' (X)
* Switch from gtk.Tooltips to gtk.Tooltip API (deprecated as gtk 2.12)
* https://launchpad.net/bugs/548932
* widget="float_time" rounds off wrong value!
* https://launchpad.net/bugs/527800
* https://launchpad.net/bugs/531979
* setup.py: Correct the setup.py with the last pytz packaging
* Use the right format if the timezone is specified
* https://launchpad.net/bugs/527795
* Import : Quotechar may be set to empty, it should not crash the system
Improvements
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* on win32, try to force font style to system font (look really better!)
* Export window opens up with required fields having background blue(similar to import window)