Changed LtiLibrary.AspNet version to 1.5.4 to match LtiLibrary.Core because they are in the same git repository, so they share the same tags (which I use to sync the version with the NuGet package version).
Changed LtiLibrary.AspNet version to 1.5.4 to match LtiLibrary.Core because they are in the same git repository, so they share the same tags (which I use to sync the version with the NuGet package version).

andyfmiller/LtiLibrary,easygenerator/LtiLibrary