Support any build configuration and connected web.config transform (web.test.config / web.stage.config / web.release.config)
With Web Deploy 2.0, it is easy to build deployment packages by using the correct build configuration and web.config transform that goes with it for .NET web apps.
Currently, AppHb only supports the release build configuration and hence the web.release.config for deploying our .NET web apps.
This makes hosting a testing environment (having a test build configuration and web.test.config) cumbersombe to deal with. Out of the box support for this would make it possible to host all environments @ AppHarbor with ease.