loads partials relative to template file if not registered
added release notes
can load partial from absolute path
updated version to 1.1.alpha1
added partials documentation
updated release notes
moved version.rb to tilt-handlebars
moved handlebars.rb to tilt-handlebars; added alias tilt/handlebars for backwards compatibility
added sinatra support.
bumped version to 1.1.alpha2
re-did lib/ directories to better fit Gem naming conventions.
releasing version 1.1.0