Added "Pick/Basic: A Programmer's Guide - Jonathan E. Sisk", under Basic.
Fixed "CodeCademy Python" spelling to "CodeAcademy Python", under Python.
Added book to Basic - Pick/Basic: A Programmer's Guide.
31,000
Merge pull request #1211 from eclutsk/free-programming-books.md

Added "Pick/Basic: A Programmer's Guide - Jonathan E. Sisk", under Basic...
Added czech book about webdesign
Added brazillian book about RegEx
Added C language book
Merge pull request #1217 from drgarcia1986/master

Added brazillian book about RegEx
Merge pull request #1218 from WizuO/master

Added C language book in Swedish
Merge pull request #1216 from grogy/cs-books

Added czech book about webdesign
Added PHP book, fixed formatting
Merge pull request #1220 from WizuO/master

Added PHP book in Swedish, fixed some formatting
add mooc classes for android
Added Codility to interactive tutorials
Merge pull request #1214 from grogy/codility

Added Codility to problem sets
fix style nit
Merge pull request #1221 from ekeitho/master

add mooc classes for android
Merge pull request #1 from vhf/master

Update with vhf master
Add Linux succintly
Merge pull request #1222 from levibostian/master

Add Linux succintly