[FIX] base: moving the old timezone formats at the end of selection list to avoid confusing users

lp bug: https://launchpad.net/bugs/1086728 fixed

bzr revid: qdp-launchpad@openerp.com-20130515112536-j5eitvgk8tznhe5i

openerp/addons/base/res/res_partner.py

@@ -74,7 +74,8 @@ class format_address(object):
 
 
 def _tz_get(self,cr,uid, context=None):
-    return [(x, x) for x in pytz.all_timezones]
+    # put POSIX 'Etc/*' entries at the end to avoid confusing users - see bug 1086728
+    return [(tz,tz) for tz in sorted(pytz.all_timezones, key=lambda tz: tz if not tz.startswith('Etc/') else '_')]
 
 class res_partner_category(osv.osv):