Upgrade rdiscount to 2.1 series.
Upgrade state_machine to 1.2 series.
Prep for version 1.3.3.
Switch to mysql2 gem for better Ruby encoding compatiblity.
Update cucumber.
Update rspec-expectations.
Update rspec-mocks.
Update i18n.
Update therubyracer.
Update mime-types.
Update rspec-core.
Update to selenium-webdriver 2.35 series.
Update treetop.
Update to cucumber-rails 1.4 series.
Update execjs.
Update to uglifier 2.2 series.
Update coveralls.
Update net-ssh.
Upgrade rdiscount to 2.1 series.
Add note about incompatibility with Debian/Ubuntu wkhtmltopdf.