Update librato-rails dependency to version 0.8.1
Update rewrelic_rpm dependency to version 3.5.4.34
Update timecop dependency to version 0.5.6
Update timecop dependency to version 0.5.7
Update json dependency to version 1.7.6
Update capybara dependency to version 2.0.2
Upgrade to Rails 3.2.10 for security fixes
Add support for inline bundler API trigger