Tweak a code example about rendering templates in subdirs
Tweak the Templating section about Tilt templates.
Linewrapping in templates, no content change
Whitespace cleanup, no content change
Start fleshing out Organizing_your_application
Change code blocks to use triple-backtick form, including noting ruby where appropriate
Corrected small grammatical error

Fixed the line "a way for you too hook into" with "a way for you to hook into".
Merge pull request #60 from tedlee/master

Fixed small grammatical error