Add a default case-base and fix method param renaming bug in TrainAction

Signed-off-by: MHesham <mhesham.fcis@gmail.com>
Merge pull request #110 from MHesham/visializer

Add a default case-base and fix method param renaming bug in TrainAction
Bug fixes:
- Fixed bug in TrainArmyGoal
- Changed CellFeature members to be DONT_CARE by default