Add "How to Contribute" to docs
Integrate Contribute with Install
[fix bug 815195] By able to search and sort API owners.
Remove unused urls.
[fix bug 763792] Provide listing pages for Country, Region, City.
[fix Bug 816309] Add Google Analytics account code to settings
Merge pull request #396 from Sancus/master

refix bug 816309: Add Google Analytics code to settings
add CSP url for https google analytics
Merge pull request #397 from Sancus/master

fix csp for GA
Merge pull request #393 from glogiotatidis/815195

[fix bug 815195] By able to search and sort API owners.
Merge pull request #391 from hoosteeno/master

Add "How to Contribute" to docs
[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