Began to implement the GetTrack mechanism

Tracks are strictly a collection of BuddyBeacon points, we may need to
rename this later
Started to create the GetTrackRequest
Testing properties are set correctly
Work addressing some issues in the MakeRequest tests
Added a GetTrack example
Implemented track downloading
Track downloading and made return values partials

Partials will allow the consumer to expand them if requried
Merge pull request #1 from ardliath/DownloadTrack

Download track