allow host username to be specified during installation, allow user to be added to host role, refresh user list after delete, improve date/time entry in scheduled jobs, require license acceptance during module and theme install

Oqtane.Client/Services/RoleService.cs

@@ -47,6 +47,7 @@ namespace Oqtane.Services
         {
             return await PutJsonAsync<Role>($"{Apiurl}/{role.RoleId}", role);
         }
+
         public async Task DeleteRoleAsync(int roleId)
         {
             await DeleteAsync($"{Apiurl}/{roleId}");