Added level description class and enemy spawner
Merge branch 'konkitWorkingBranch' of github.com:konkit/ProjectSpaceshooter into Game_prototype

Conflicts:
	ProjectSpaceshooter/ProjectSpaceshooter.vcxproj
	ProjectSpaceshooter/ProjectSpaceshooter.vcxproj.filters
Improved Enemy Spawner, repair Iterator bug, Improved  Enemy Collection, Rename GameObjectCollecion, now it's GamgeCollection because it's universal collection
Deleting bullets after some time, but done in dirty way ( just detaching from sceneNode)