Remove unused urls.
[fix bug 763792] Provide listing pages for Country, Region, City.
[fix bug 839196] Enhance group merging interface.

Filter empty groups in Admin list view.

Display aliases in Admin Object View.

Change header in Admin.

Display nice boolean tick in User Admin.
Filter Superusers in Admin Interface.
[Bug 842783] Update vendor for Django 1.4.4
Merge pull request #402 from Sancus/master

upgrade django to 1.4.4
Merge pull request #399 from glogiotatidis/admin-filter

Filter Superusers in Admin Interface.
Merge pull request #394 from glogiotatidis/763792

[fix bug 763792] Provide listing pages for Country, Region, City.
[Bug 842783] set ALLOWED_HOSTS based on SITE_URL
Merge pull request #398 from glogiotatidis/groups-empty-filter

[fix bug 839196] Enhance group merging interface.
[Fix Bug 843458] Remove significant whitespace before some </a> tags
Add pytz.
[fix bug 838689] Mozspaces Models and Admin Interface.
Merge pull request #395 from glogiotatidis/838689

[fix bug 838689] Mozspaces Models and Admin Interface.
Merge pull request #403 from Sancus/allowedhosts

[Bug 842783] set ALLOWED_HOSTS based on SITE_URL
Fix avatar path migration script.
Merge pull request #404 from Sancus/bug843458

[Fix Bug 843458] Remove significant whitespace before some </a> tags
[bug 763792] Fix extra character in a tag.
[bug 763792] Display proper page title.
[fix bug 839138] Allow url matching for usernames longer then 30 chars.