Add Yajl Template implementation to render JSON content.

This template is largely inspired by the Nokogiri
and Builder templates.
Add Yajl to the REAME.
Refactor the code to use a buffer variable.

In this way, the template is even more flexible.
I added some documentation to document the features.
Avoid creating an other variable.
remove rdoc options from gemspec (cause deprecation warning)
Merge pull request #86 from rkh/gemspec.

remove rdoc options from gemspec (cause deprecation warning)
Gem::Specification#default_executable= is deprecated with no replacement.
Flip CoffeeScript bare option back to true by default

This option was accidentally reversed in 882b46686decbced239d85a1331a328d2c5f8a78
Merge pull request #87 from rtomayko/flip-coffee-bare-default

Flip CoffeeScript bare option back to true by default
1.3.1 release
redcarpet smarty tests and filter_html tests are fixed upstream
add redcarpet development dependency to gemspec
flunk redcarpet escape_html test
Don't force Sass::Plugin to be loaded

Fixes "tilt autoloading 'sass/plugin' in a non thread-safe way" when you
don't give a shit
Nokogiri: Don't override self (closes #88)
add Redcarpet to template docs
test requires Sass::Plugin, which is no longer loaded by the template
Revert fbacd02e41ec88d8fd3ab22c830666ec8f85bd3c
1.3.2 release
Options is an attr, no need to pass it as argument.