Moving ContentObject, User, Package Services (#7230)

* minimal changes to pull DeleteService.
* Update test project o use new library. Expose more quietlog methods.
* cshtml corrections for library.
* Update Gallery Tools to reference services library.
* Fix mvc reference.
* Signing and versioning.
* Fixing Namespacing. Added Comment to Interface. Revert some stuff back to internal. Expose to Test.
* Clean up usings. Remove some leftover stuff. Revert support request stuff back into wierd namespace.
* Move reference up a dependency. Fix tests.
* Make entities strings internal. Don't build razor locally.
* More namespace reverts. ServiceStrings -> ServicesStrings.
* Pull packageService.
* Moving PackageOwnershipManagementService. And related. Included most Permissions
* Move SecurityPolicyService
* Put back a using. Fix reference to DeleteAccountStatus in UsersController.
* Fix DeleteAccountStatus references in tests.
* Merge and rebase out of delete branch.
* Moving ContentObjectService
* Rebase onto dev. Update Web.Config.
* Fix assemblyinfo that got deleted during merge somehow.
* Remove GitConstants move to ServicesContants.
* Remove Referneces to deleted namespace.

Author: ryuyu

…agnostics/DiagnosticsSourceExtensions.cs …xtensions/DiagnosticsSourceExtensions.cssrc/NuGetGallery/Diagnostics/DiagnosticsSourceExtensions.cs renamed to src/NuGetGallery.Core/Extensions/DiagnosticsSourceExtensions.cs src/NuGetGallery/Diagnostics/DiagnosticsSourceExtensions.cs renamed to src/NuGetGallery.Core/Extensions/DiagnosticsSourceExtensions.cs

@@ -132,6 +132,7 @@
     <Compile Include="Entities\IEntityRepository.cs" />
     <Compile Include="Entities\ReadOnlyModeException.cs" />
     <Compile Include="Entities\SuspendDbExecutionStrategy.cs" />
+    <Compile Include="Extensions\DiagnosticsSourceExtensions.cs" />
     <Compile Include="Extensions\EntitiesContextExtensions.cs" />
     <Compile Include="Extensions\PackageValidationSetExtensions.cs" />
     <Compile Include="Extensions\StorageExceptionExtensions.cs" />

…llery/Configuration/IAppConfiguration.cs …c/NuGetGallery.Core/IAppConfiguration.cssrc/NuGetGallery/Configuration/IAppConfiguration.cs renamed to src/NuGetGallery.Core/IAppConfiguration.cs src/NuGetGallery/Configuration/IAppConfiguration.cs renamed to src/NuGetGallery.Core/IAppConfiguration.cs

@@ -17,4 +17,4 @@ public interface IAuthenticationService
         /// <returns>Returns a task that will complete when the credential has succesfully been removed.</returns>
         Task RemoveCredential(User user, Credential cred, bool commitChanges = true);
     }
-}
+}