Bump version number

Update Umbraco binaries NuGet package to 7.2.6 (again)

For reasons unknown, the Umbraco NuGet package references System.Web.Mvc
version 4.0.0.0 - not 4.0.0.1

Fix authentication issue for Umbraco 7.2.x and upgrade version to 0.1…

….0.4

Fix grunt file formatting