Merge pull request #34 from carlosalberto/master

Implement iterable support for the Set's ctor.
Merge pull request #35 from carlosalberto/master

Fix a remaining style fix.
get rid of all these nasty object literals in favor of a more functional approach. very lightweight, inspired by benjamn/ast-types
add getInt1Ty
escodegen switched to harmony branch too
update esprima url and escodegen branch
if we know the test is a const bool, then create a branch llvm can get rid of
misc fixes
update escodegen to handle ComputedPropertyKey
CoffeeScript -> ES6: it has begun
improvements for object/class computed property name support
an es6 stack class
get this compiling
terrible, but we need to make the map keys unique.  time to upgrade node to something with a working Map
defaults can contain nulls
move intrinsic to echo-util, and a bunch of minor fixes
es6 implementation files
make analogous fixes to the js passes from closure-conversion.coffee, and get everything compiling individually
fix loads of compiler errors
does anything even use ClassHeritage?