Only count the non-subordinate units when showing the undeployed unit count in the deployer summary
Added test for excluding subordinate units in the deployer summary counts
Merge pull request #557 from hatched/subordinate-counts

Exclude subordinate units from the deployer bar summary counts.

The subordinate units were included in the counts for unplaced units to deploy in the deployer bar summary. This makes sure units which are from a subordinate service do not get counted.