remove all files to avoid confusion with the official repo, fix #8

fixed antlr versions

Fixed pom for antlr, also fixed xml.g

removed symbol for typeLabel

Fixed breadth first

Merge pull request #4 from jrfaller/typeLabelRegistry

Using now lazy post orders

Implement postOrder as iterator, fixed related tests

fixed RhinoParser for new typeLabel system

removed setType in Tree

added missing bootstrap files.

updated Junit

updated webdiff processor.

Added js samples

removed useless Permute action.