Upgrade to Meteor 0.8.2 (potpourri update).

Meteor release notes:
https://www.meteor.com/blog/2014/06/23/meteor-082
https://github.com/meteor/meteor/blob/release/0.8.2/History.md

Change-Id: I203b615b76da085dea0dde7b03623c4e5b7dfe4d