use binread for parsing CHANGES
improve environment docs
improve code markup in English readme
improve code markup in English readme

Conflicts:
	README.md
turn Modular vs. Classic Style comparison into a proper table
add support for stylus templates, fixes #553
stylus is not available yet in latest tilt
Revert "stylus is not available yet in latest tilt"

This reverts commit 80b79c89eba182e59e7e3700871a41dda4e625ea.
need to require 'stylus/tilt'
need to load both stylus and stylus/tilt
don't run stylus on rbx 1.9 mode
add toc
Merge branch 'toc'
fix rake task for ruby 1.8
Merge branch 'master' into prerelease

Conflicts:
	README.md
	Rakefile
changes don't have to be up to date for a prerelease
1.4.0.b release