fixes failing Travis builds

by dropping node 0.6 support and using echo/sort to enumerate tests
fixes #146: improve --help output
fixes #151: --output option actually works now
Merge branch 'indent-stack' of github.com:Arelius/CoffeeScriptRedux
compile @Arelius's contribution from #145
minor style changes
fixes #18: windows line ending support, as suggested by @josher19
fixed initial indentation stripping in interpolated heredocs

no tests yet
version 2.0.0-beta2
add roadmap link to README

as suggested by @JamesMaroney
rebuild with 2.0.0-beta2
Preprocessor improvements.

* Added some better errors.
* Moved some functions from context to the preprocessor, makes calling them a bit easier.
Added context errors for unexpected tokens in preprocessor.