Script conversion from Serbian Cyrillic to Latin (20140505)
Upgrade to django 1.6.4 (bug 1005911)
Merge pull request #2017 from diox/upgrade-to-django-1.6.4

Upgrade to django 1.6.4 (bug 1005911)
Merge pull request #2016 from flodolo/20140505

Update sr-Latn using sr (Cyrillic) content converted with icu4c
Avoid sending signals that trigger tasks when inside the atomic block (bug 920081)