Laid down the groundwork for a console-based test runner.

I'd used "hg addremove"

source starting NOW, to test/suite.

external/contributions/Google/sputnik_conformance_modified.  This move
is not consistent by itself. Also need upcoming commit to convert.js.

Restore Error as a workaround.

contributions which have been modified (generally based on bug feedback).  Doing this
as we don't want to modify the original contribution.

conformance. The top-level *.js files have already been duplicated in
test/harness. The directories are for testing non-standard behaviors,
and these remain under
external/contributions/Google/sputniktests/tests/