Allow custom Label Placement

[KevinDunlop]

Add the ability to enter my own values for Label Placement Grid.  This way I can block off areas I don't want and give higher values to areas I want the labels in.

[ChrisMathers]

I totally agree with this.

[ChrisFox]

This option is available with Maplex and at version 10.1 maplex will be available at all license levels.

[WendyHarrison]

This is offered with Maplex in both ArcGIS Desktop and ArcGIS Pro