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
Merge branch 'master' into devel
Fixed link to isClient/isServer.
Added link to smart packages.
Added authentication header to break up the rather long data & security section.
Changed JavaScript spelling to be more consistent.
Made links to external projects in package section more consistent.
Merge branch 'pr-784' into devel
Fix allow rule to allow users to update their profile (broken in 0.5.8 release).

Fixes #809.
Use correct new Deps API in Meteor.loggingIn(). Fixes #811.
Fixed #801
Added som tests for fix #801
Fixed reactive each

Mentioned by Chris Mather on google talk
Bump version number for next release.
History.md for 0.5.9.
Use coffeescript.org instead of github link.
Fix annoying bug in opera where deleting from a doc as you iterate doesn't work right.
Merge tag 'v0.5.9'