Include avatar and language in serviceData when user signs in to Twitter
Remove trailing whitespace

As per the "Whitespace" section of the Meteor style guide, remove trailing whitespace.
https://github.com/meteor/meteor/wiki/Meteor-Style-Guide
Fix spelling error in find_upwards() comments
Fixed #801
Added som tests for fix #801
Fixed reactive each

Mentioned by Chris Mather on google talk
Fix annoying bug in opera where deleting from a doc as you iterate doesn't work right.
Fix allow_tests instability.

  Meteor.apply('login', [], {wait: true});
  Meteor.call('setUpTests');  // creates some publishers
  Meteor.subscribe('oneOfThosePublishers');

The client will send the subscribe call before the setUpTests call due to
login's wait-ness, and then the subscribe will fail. We were basically doing
that in allow_tests.
Update History.md with recent pull request merges.
test for added from two different subs
Avoid crash on spiderable errors. Fixes #832.
Comment only.
Clean up deploy-examples. Now it finds examples automatically.
Old note about old event syntax was confusing people on IRC
Implement files.extractTarGz(...) utility
Directory reorg to mirror the structure of the engine repo
Apply changes made on engine repo
Move node out of admin/ into tools/; also fixes it
untargz in process when fetching packages
Use packages.meteor.com instead of cloudfront.