Revert "Revert "Corrected DrawLayers, fixed most Tank tests""

This reverts commit 5f4e374ddbabc0fb1c88bb098d64ec6a5f9dcbb5.
Removed Random from Parser
Damageable Extended

Applied Damageable to all entities that can be destroyed.
Incorporated Mine Laying

Tanks now lay mines when crtl is pressed.
Merge pull request #334 from BU-CS673/Aaron

Corrected DrawLayers, fixed most Tank tests
Review Corrections

Corrections from first review
Merge deconflict
Merge pull request #336 from BU-CS673/Brandon

Damageable Refactor
Merge branch 'production' into pmd-mines

Conflicts:
	bubolo/src/bubolo/world/entity/concrete/Tank.java