New Admin Options

Admin now offers multi-select options and a few new columns.

1. On the Resources & Users page, it is possible to assign a resource to multiple projects at the same time.
   
2. On the Projects page, it is possible to assign multiple resources to a project at the same time.
   
3. Several new columns are available on the Resources & Users page. 
   
   Each row is for a specific resource...
   1. Assigned Projects = a list of projects the resource is assigned to
   2. Count of All Tasks = the number of all tasks assigned to the resource
   3. Count of Uncompleted Tasks = the number of uncompleted tasks assigned to the resource
   4. Projects with Uncompleted Tasks = a list of projects the uncompleted tasks are in
   5. Warnings...
      1. For example...
         
         1. A Read-Only user is assigned a Role that typically needs Write access.
         2. A required Role, one with an asterisk (*), is not assigned.