Merge pull request #74 from iliekturtles/patch-1

Fix typo in string pangram
Corrected type in comment

Changed: this is an static method
to: this is a static method
Merge pull request #77 from gilles-leblanc/patch-1

Corrected typo in comment in method.rs
the playpen now lives in play.rust-lang.org
Embed the rust-www live code editor in (almost) all the examples
Fix: editor reinitialization upon navigation
Merge pull request #84 from vojtechkral/fix-refresh

Fix refresh
Highlight code in the editor using the same colors used for static code
Change the editor height to always fit the contained code
Fix buttons position
remove escaping test
Whitelist line length of src/playpen.rs
Merge pull request #85 from japaric/editor

Embed a live code editor in (almost) every example
literals: show other bitwise operators
update.rs: better support for structuring the book
update.rs: Add more characters to the HTML escaping function
editor: don't optimze code (reduce chances of a timeout)
editor: set output font to monospace
hello: introduce the live code editor
print: fix style and a FIXME