Do not link Command Line Tools
Re-enable linking of Command Line Tools

It turned out the error I was facing was because `xcode-select` was
referring to an old version of xcode during the build.  Selecting the
most recent version with `xcode-select -switch /Applications/Xcode.app`
fixed the problem.
Write final package artifact to artifacts/

Without this patch the build archives are growing quite large.  We're
copying a lot of data we don't really need to archive after each build.
The only thing that really matters is the distribution archive itself so
this patch changes the crossfader task to write the distribution package
to the artifacts/*.pkg directory.
Merge branch 'crossfader'

* crossfader:
  Write final package artifact to artifacts/
  Re-enable linking of Command Line Tools
  Do not link Command Line Tools
  Add Command Line Tools to final package
  Add Command Line Tools October 2013
  Clean up mac version in xml filename
  Fix side effect on package_id method
  Fix name of crossfader ruby runtime package
  Add rake synthesize task to speed up builds