chore(docs): added some scope docs
chore(scope): crate standalone library
chore(perf): harness is standalone (no browser)
chore(move): all browser related into dom directory
chore(lib): turn cache, http, interpolate into lib
chore(refactor): remove string_utilities
chore(refactor): interface utilities
chore(move): non-DOM portion of directive to root
chore(refactor): remove mirrors.dart
chore(cleanup): remove toJson from angular.dart
chore(refactor): make understands private
chore(directives): turn into library
chore(run): analyzer && karma script
chore(lib): turn selector and node_cursor into lib
chore(lib): turn compiler into lib
chore(lib): directives in their own libs
chore(todo): clean up many of them