added missing folders
nuspec for owin host added.
added owin support for web api
Merge branch 'master' of https://github.com/massteiner/Ninject.Web.WebApi.git
OWIN sample application added.
Merge branch 'master' of https://github.com/ninject/Ninject.Web.WebApi
Web config changed.
Merge branch 'master' of https://github.com/massteiner/Ninject.Web.WebApi
updated build script for owin support
Merge branch 'master' of https://github.com/massteiner/Ninject.Web.WebApi.git
Merge branch 'master' of https://github.com/ninject/Ninject.Web.WebApi
updated Ninject.include
Merge pull request #6 from massteiner/master

added OWIN support for WebApi