Status page. Added action and route names
Status Service. Currently, checks the availability of SQL Azure and Storage

1) Checking Storage Availability by checking if nuget.exe exists in storage
2) Checking SQL Azure Availability by selecting 1 key from Packages Table
Incorporate comments and fixed a code analysis error
Using GallerySettings Table itself
Merge pull request #2127 from NuGet/daravind/GalleryStatusPage

Status Page. Currently, checks the availability of SQL Azure and Storage