Refector: clean up code.
Display note count on network graph.
Fix RoutingError when changing username to non ascii char.
New issue button was not follows to external tracker if it is selected. fixed #3386
Added memory requirements based on https://news.ycombinator.com/item?id=5423851
Combine it with the memory requirements that where already there.
Corrected mistake, added hint for windows users.
Better header and detail why you need two times the storage. Also moving memory and storage to the bottom, OS is more important.
Updating based on Dmitriy his comments.
Use NotificationService for observers pt1
NotificationService for resolving email notification logic
notification level for user
reject current_user from close issue emails
fixed tests
Spork support added
refactor issue observer spec
enable callbacks for specs after notification
Merge pull request #3398 from Andrew8xx8/spork

Spork support added
use convenient method to check for empty project repo
Fixed UsersProject.in_projects

I discovered while trying to use UserTeam#remove_member() that
UsersProject.in_projects was broken.  So I wrote test cases to test what
I was trying to do and fixed the underlying problem.