Implemented UserEmailsClient GetAll and Add...

methods plus unit tests.
Added IUserEmailsClient property to IUsersclient

not sure how I missed that before :-/
Re-added integration test for getting email
Merge branch 'master' into user_emails_client
Manual merge fail fixed
Merge branch 'master' into user_emails_client
Added return values in documentation comments
Merge branch 'master' of https://github.com/octokit/octokit.net into user_emails_client
Added DebuggerDisplay to EmailAddress model
Fixed documentation comments on UserEmailsClient

and EmailAddress
Suppress Code Analaysis warning on

EmailAddress.DebuggerDisplay
Adding IObservableUserEmailsClient and...

default implementation. Still needs delete method which is skipped
because it's a HTTP DELETE. There's currently nothing in the
ApiConnection to handle this scenario and it's a rather unorthodox thing
to support.
delete.
Unit tests for ObservableUserEmailsClient
Integration tests for ObservableEmailsClient

This only tests the GetAll method at this point. Would like to have
Delete implemented before testing Add so that we can do cleanup.
FixProjects for IObservableUserEmailsClient
Fixing and adding unit tests for UserEmails...

Client and ObservableUserEmailsClient
Merge pull request #323 from pmacn/user_emails_client

Implemented IUserEmailsClient GetAll and Add methods