Update to Meteor 0.5.9

Hi Tom,

I've done an upgrade to 0.5.9 from meteor/meteor.
All pretty straightforward except I needed to remove kexec npm module (currently unused).

I've also got a built package available for any eager beavers:
https://docs.google.com/file/d/0B4Vwungdd_-RNndQQXFWS3Ayb1U/edit?usp=sharing

Regards,
 Stephen