Moved Warehouse scripts in to Work Service repo.
Stashing work on catalog updater
Added some timing logic and fixed up the cache control headers for the catalog update job
Merge branch 'master' into anurse/catalogupdaterjob

Conflicts:
	src/NuGet.Services.Work/Metadata/EmitMetadataBlobs.cs
	src/NuGet.Services.Work/NuGet.Services.Work.csproj
	src/NuGet.Services.Work/packages.config
Merge pull request #39 from NuGet/anurse/catalogupdaterjob

Add a job to update the catalog