Changed PriorietyQueue to Linkeded List
Maintains order
Merge remote-tracking branch 'justin/master'
Merge remote-tracking branch 'dan/master'
Fixed issue that allows Health to be less than 0
changed Test for Unit to have proper constructor
fix repository error
Fixed UnitTest  junit tests

Merge remote-tracking branch 'dan/master'
Merge remote-tracking branch 'dan/master'