Merge pull request #1 from miripiruni/master

Try to add pull request
Merge pull request #72 from lancedikson/master

Add Git Cheat Sheet
Added Little redis book
Merge pull request #73 from h4/master

Added Little redis book
Update Bibliotheque.md
Update Bibliotheque.md
Merge pull request #2 from miripiruni/master

Add pull request
Merge pull request #76 from wind-fd/master

Add Codeacademy to ruby
Added: High-Performance Browser Networking
Added: High-Performance Browser Networking
Add Topcoat to CSS frameworks list
Add link to Device pixel density tests