Adding a Built-in implementation of IBundleTransform

Added directory for references to System.Web & System.Web.Optimizatios
Added package WebGrease (& dependencies via NuGet)
Added class EmberHandlebarsBundleTranform
Modified the Readme file
Fixed misplaced words/typos in Readme.md
Merge pull request #3 from MilkyWayJoe/master

Added an implementation of IBundleTransform