Merge pull request #77 from sol/master

Require hspec-1.3.* for tests suites
case numeric literals (#74)
Export ihamletRules (#73)
Pin down types better in julius
Version bump
Removed the hated $newline warning
Fix Shakespeare tests (#81)
Initial Travis
Lucius module does not depend on Cassius module
Cassius is just a modified version of Lucius
Add some Cassius+ tests
scripts update
Cassius embedded semicolons
Expose ability to get list of used variables (needed for yesodweb/yesod#413)
Added missing ToJavascript instances
containers version
Minor cleanups
Initial aeson support
RawJS
Disable the legacy ToJavascript instances