[xs] Update CHANGELOG for 1.7.1 release

CHANGELOG.txt

@@ -1,6 +1,26 @@
 CKAN CHANGELOG
 ++++++++++++++
 
+v1.7.1 2012-06-20
+=================
+
+Minor:
+* Documentation enhancements regarding install and extensions (#2505)
+* Home page and search results speed improvements (#2402,#2403)
+* I18n: Added Greek translation and updated other ones (#2506)
+
+Bug fixes:
+* UI fixes (#2507)
+* Fixes for i18n login and logout issues (#2497)
+* Date on add/edit resource breaks if offset is specified (#2383)
+* Fix in organizations read page (#2509)
+* Add synchronous_search plugin to deployment.ini template (#2521)
+* Inconsistent language on license dropdown (#2575)
+* Fix bug in translating lists in multilingual plugin
+* Group autocomplete doesn't work with multiple words (#2373)
+* Other minor fixes
+
+
 v1.7 2012-05-09
 ===============