Fixed duplicate messages when topic store overrun.
- Added unit tests

#1973
Synchronized dispose and subscription initialization within the MessageBus to avoid memory leaks

#1993
Merge branch 'release' into dev
Add CopyArtifacts target to Build.proj and add nuspecs to /nuspecs

- Automatically pick up new projects in Build.proj
- Add a package-src directory to artifacts
- Group artifacts by target platform
- Publish nuspecs to artifacts
- Publish FxCop logs to artifacts
- Publish jquery.signalR.js and jquery.signalR.min.js to artifacts
- Build Asp.Net samples from Build.proj and publish to artifacts
- Publish artifacts grouped by project to artifacts/projects

This is meant to make signing and localization simpler

#1896 #1897
Updated nuspec file references to match new build system

- Intellisense and assemblies are in the same directory
- .NET 4.0 assemblies dropped for server-side packages
- Parameterized the licenseUrl

#1896
Upgrading build quality to beta2
.NET 4.5 and OWIN update
- Removed Owin and SystemWeb 4.0 projects
- Updated related 4.0 only projects to .NET 4.5
- Reworked functional tests and js tests to use new mode.
- Unified how tests were initialized via the OWIN pipeline.
- Renamed some assemblies and namespaces for simplicity.
- Removed Owin assembly and put everything in the core.
- Updated projects and merged the resource files.
- Renamed samples projects and self host samples.
- Updated the build.
Updated owin branch so that it's in sync with latest dev.
- Moved new samples
- Removed ASP.NET assembly.
Updated stress
Changes to use MSOwin
- Changed handlers to be middleware classes.
- Moved more logic into PersistentConnection
- Removed unused extensions
Fixed tests and build.
Fixed the build again
Ensure MS.Owin conversions are always added.
- Changed ASP.NET sample to use OwinMiddleware
Don't share the dependency resolver between tests (bad things happen)
Fixed owin tests
Merge branch 'release' into dev
Add false condition for *Installed in Build.proj
Merge branch 'release' into dev
Disable building the Stress project on wsr-teamcity

- InternalsVisibleTo("Microsoft.AspNet.SignalR.Tests.Common, PublicKey=...")
  is broken in the wsr-teamcity build and Stress depends on Tests.Common
Merge branch 'release' into dev