Added a very good and complete book for Java and added iOS book
create separate md file for interactive materials
Added "The Neophyte's Guide to Scala"
Alphabetized Scala section
make sure to keep only the fully interactive tutorials
add the new -en md file with interactive tutorials removed
Fixed Scala alphabetizing
add cleaned up -interactive-tutorials-en
Added "Play Framework Recipes"
Merge pull request #584 from alexanderfefelov/master

Scala section: a few changes
Merge pull request #577 from Mouseion/patch-interactive

Create separate md file for interactive materials
Add Hello Backbone resource

Its not strictly a book but its super helpfull for the novice
Merge pull request #585 from TechplexEngineer/patch-1

Add Hello Backbone resource
How to deal with Passwords
added Learn Git Branching Tutorial
Added Bookboon
Added "Play.Rules!" (FR)
Fix Algorithms & Data Structures link
Adjusted "Scala for the Impatient"
Added "Scala & Design Patterns: Exploring Language Expressivity"