Modified it to switch us over to the Ecma license for everything
except Sputnik-based sources (someone from Google should make
this change on line 60 of FixLicenseHeader.py).

All Microsoft-contributed *.js and *.py sources now have Ecma's copyright header.

FindTestCaseIssues.py is a new helper script which can be used to detect issues with the format of test cases (e.g., runTestCase not being called).

FixPathsAndIds.py now preserves line endings and the BOM.

their test case objects.  Created an automated tool, FixPathsAndIds.py,
to fix these.

TestCasePackager.py no longer throws when it encounters a non-*.js
file where it expects test cases.  Instead, it simply ignores it.