Document Meteor developer organizations

[hwillson]

Moving this issue over from meteor/meteor#3850. I'm not sure if this should be documented in the Guide (maybe under Writing Atmosphere Packages) or in the API Docs, but I'll assume the Guide for now. One of the best references I've seen for Meteor developer organization information is the Meteor 0.9.1: Meteor developer organizations, solidified Blaze APIs blog post.

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(originally reported by @rgoomar)

I have not seen anything in the docs mentioning organizations and how to manage them.

It is an important part of the package system (IMO) and should be documented so that it can more easily be utilized.

There should probably be something in the meteor admin section, writing packages because I did not see how to manage organizations. But, I did end up finding it under meteor.com/account-settings/organizations