Revert bug 867218 - Use shared sessions for SSO

This reverts commit a50d164deb7107969d53d98cac6d0cbf31975e73, reversing
changes made to 6f395225ad42ab007a15357be5a180c987e657e2.
No bug - Match version to current tag
Bug 868142 - isAdmin Route for login server
No bug - pruning files (pomax)
Fix bug 860365 - added webmaker user bar
fixes based on pull request feedback
fixes based on pull request
revert, because adding loggedInUser breaks login. match() kicks in and things break
noted why we don't use loggedInUser:cookieEmail here
Merge pull request #53 from Pomax/newsso

Sold. Landing, follow up bugs file.
README update

forgot to mention that the meta tag goes in the head. Might be obvious, might not be.
[Bug 869643] Fixed environment variable, changed single quotes to double quotes]
Merge pull request #55 from igoryen/bug869643

[Bug 869643] Fixed environment variable, changed single quotes to double...
Fixes Bug 863749 - Create API for checking if a subdomain is free r=humph,sedge
Fix broken navigator.idSSO.watch.onlogin
Merge pull request #58 from rossbruniges/fix-ui

fix bug 873015 - sorting broken navigator.idSSO.watch.onlogin
[Bug 869592] Added better error handling for searching mongoDB for a webmaker.