Fix the automated build.

Fix build for people without psake installed.
Add Test and Release batch files.
Create SourceCode Packages
Merge pull request #18 from EddieGarmon/issue-16-FixBuild

Fix the automated build.
make App_Packages for source packages plural
Merge pull request #19 from EddieGarmon/FixBuild

make App_Packages for source packages plural
change OwinContext environment key to support source embedding
Merge pull request #21 from EddieGarmon/issue-20-OwinContext

change OwinContext environment key to support source embedding
Support multipart/form-data

Add multipart/form-data support and testing support
Add substream for seekable streams
implement IPostedFile in NativeMiddleware.FormSupport
Organize extension methods
do better async Stream extension methods
add Task extension methods
Organize ReSharper Settings
Move DumpContent to NativeMiddleware
Merge pull request #22 from EddieGarmon/issue-3-FileUpload

add support for multipart/form-data and file uploads
Merge branch 'milestone-v1.0' into issue-7-HostPipeline