Added support to create testcases_bestPractice.html without also adding them to default.html.

Preliminary support for tests under test/suite/internationalization has been added.

architectures), but worth keeping around for the coverage it provides.
Documented that this is expected to fail on ARM.

S7.8.5_A3.1_T7 through S7.8.5_A3.1_T9 were invalid as written.  The only way to specify unicode flags
to literal regexp patterns is through eval and similar mechanisms (e.g., Function constructor).  Fixed.

All but two of the remaining disabled tests in excludelist.xml were disabled because the tests polluted
the global JS environment, not because the tests themselves were invalid.  This is no longer an issue as
of the latest test262 harness (actually it wasn't an issue about a year ago either).  Re-enabled.

Also, two of this weren't actually this-related.  Fixed their separate issues.

77 new (mostly) strict mode tests plus the removal of one invalid test case.

Sputnik and IE Test Center tests now live side-by-side in ch* directories under test/suite.

when encoding to JSON which coincidentally preserves the BOM as well.
This shaved ~10 megs off of chapter15.json alone.

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