2016.3-3: Merge pull request #1374 from johngian/fix-humans-template-path

[Fix bug 1255792] Fix humans.txt template path.

2016.3-1: Merge pull request #1371 from akatsoulas/celery-hotfix

Setup django-celery.

2016.2-2: Merge pull request #1346 from akatsoulas/fix-skills-creation

[bug 1208367] Make search string lowercase.

2016.2-1: Merge pull request #1345 from akatsoulas/exclude-curators

[bug 1208368] Exclude curators from invalidation.

2016.1-1

[Bug 1214575] Fix photo privacy toggle for localized versions

[fix bug 1226779] Upgrade django to version 1.7.11.

2015.11-1

[fix bug 1226779] Upgrade django to version 1.7.11.

2015-10.3: Merge pull request #1260 from johngian/fix-1216291

[Fix bug 1216291] Fix photo field definition in users api serializer.

2015-10.2: [Fix bug 1216291] Fix `photo` definition in UserProfileDetailedSerial…

…izer.

2015-10.1-hotfix: [Fix bug 1214010] Fix DB constraint violations for region, country.

* Check if duplicate region/country exists
* Deduplicate region/country and their references if required

2015-9.1-hotfix: Merge pull request #1247 from akatsoulas/fix-chief-script

Change the order of import.