Add "How to Contribute" to docs
Integrate Contribute with Install
[fix bug 815195] By able to search and sort API owners.
Merge pull request #396 from Sancus/master

refix bug 816309: Add Google Analytics code to settings
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