typo
Merge pull request #392 from twokul/typo

typo
fixup promise inheritance.
set CustomError's constructor
oops, ran the wrong test suite...
apparently I was smoking something funky yesterday
EmberApp specific helper for an upgradeable default brocfile.

Most if not all features should still be available
bring back validation
Merge pull request #396 from stefanpenner/maintainable-brocfile

EmberApp specific helper for an upgradeable default brocfile.
Add `ember test`.