Tweak grammar
Add Grunt task for Jison
Add node_modules to .gitignore
Update concat grunt
Grammar: return AST
Update Template to use the new parser
Add Mockle.Scope
Update Browser
Support @foo()
Browser: Support .def without function
Scope: Don't fail on undefined
Template: Don't render 'undefined'
Autoescape HTML
Add Browser.html
Render layouts
Refactor grammar a bit
Simplify Mockle.js