Specify Options for All Tasks
You can use a generic vb settings object to specify the
        configuration options that will be applied to all vb- tasks (for example,
            vb-build).
               
If you define the vb options, you don't need to pass any Grunt
                command line parameters, but can simply run grunt vb-build.
                  
To specify task options for all tasks in Gruntfile.js: