minor update
fixed a typo
typo
Merge pull request #41 from jmettraux/master

it's --> its
add vim config option for 80 chars line length
Merge pull request #42 from mrtazz/patch-1

add vim config option for 80 chars line length
Better non modifying way to see if there are trailing spaces.
Merge pull request #43 from meh/patch-1

Better non modifying way to see if there are trailing spaces.
'Amount' should be 'number'
Merge pull request #45 from philtr/master

'Amount' should be 'number'
fixed a typo
Add some rake tasks to easily generate a PDF or an HTML file of the guide.

The rake tasks uses Redcarpet, Albino and PDFkit to generate a beautiful
colorized HTML and PDF files, from the README, the logic is the same used by
Github to parse markdown.
Use ruby 1.8 lambda style.
Remove Gemlock.lock file as it has some gems only for mac, besides we have locked most versions in the Gemfile itself.
HtmlGenerator is more descriptive than MarkdownGenerator, it generates HTML after all.
Use ruby 1.8 lambda style.
Remove false assertion.
Update bundles.
Add a little note on how to generate HTML/PDF version in the README.
Hard wrap makes the document too long.