ensures that the user context cache is cleared when users are saved which will work in LB environments.
Changes more HttpRuntime.Cache dependencies to ApplicationContext.Current.ApplicationCache.
their correct locations/namespaces/assemblies and obsoleted all of the old ones and ensure the old webforms files don't exist where the obsoleted ones were.
Fixes a security issue with the installer ajax service (used to be p.aspx, now is InstallerRestService.aspx)
