Merge pull request #1 from adam-borzecki/feature/asteroid-generator

Add Application group
Add earth and nuke launch capability.

* Added nuke images and class.
* Added earth class.
* Added mineCategory.
* Added nuke particle.
Merge branch 'develop' of github.com:adam-borzecki/asteroid-defense into feature/base-layer
Merge pull request #2 from adam-borzecki/feature/base-layer

Feature/base layer
Add fixes to asteroid
Fix conflicts, logic update
Remove