Move source maps package to the dart repo, so it can be used by other internal
tools.

Review URL: https://codereview.chromium.org//12207008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/source_maps@20300 260f80e4-7a28-3924-810f-c04153c831b5
18 files changed
tree: 1f8ce07869508f1483fa04bf26597d3d1e613341
  1. pkgs/