Fix code-block formatting
Merge pull request #396 from christiankolding/patch-1

Fix code-block formatting
Fix spelling and grammatical mistake
Fix typo - replace his with its
Add book on algorithms and data structures
Move official tutorial to beginner section
Reverse change to a line
Merge pull request #398 from vishalsodani/master

Fix spelling and grammatical mistakes
Use plural
Remove book on algorithms and data structures
Merge pull request #400 from christiankolding/patch-1

Added book, moved tutorial
Merge pull request #401 from vishalsodani/master

Use plural
Add misc section and two books
Merge pull request #404 from christiankolding/patch-1

Add misc section and two books
Merge remote-tracking branch 'upstream/master'