Add optional GetAndFlattenAllPages() parameters
Add and implement IObservableMilestonesClient
Update IMilestoneClient docs
Don't use parameters beyond first page
Add missing namespaces
MilestonesClientTests shouldn't test IssuesClient
Add ObservableMilestoneClient unit tests
Add ObservableMilestoneClient int tests
Create tag response models
Use the token authenticator.
The test says we're asserting content-type, so let's do it.
Set content type for streamed uploads.
s/description/body
Merge pull request #149 from spraints/release-assets-need-content-type-header

Set content-type for release assets
Merge pull request #147 from octokit/token-authenticator

Use the token authenticator.
Remove xunit from cibuild.ps1

I had copied this code from GHfW where we had some timeout issues with the unit tests. That's not a problem with Octokit.

By running our FullBuild, we still get test coverage with no need to duplicate xunit code here.
Merge pull request #151 from spraints/releases-have-body

s/description/body
Merge pull request #150 from octokit/cleanu-up-cibuild

Remove xunit from cibuild.ps1
Update NuGet to 2.71, since the old version can't access the feed.
Sound check - FAKE can be downloaded and is running with the buildWithFAKE.cmd.