Added floaters, need to have them interact

Need laser-floater interaction and win condition.
Revert "More indication and permanence (juiciness)"

This reverts commit 879f5466459721ec47cf1070ea47ce8eb36e3e0b.

Conflicts:
	bin/actor/Floater.class
	bin/actor/Spinner.class
	bin/actor/Spinners.class
	bin/graphics/Render.class
	bin/graphics/Screen.class
	src/actor/Floater.java
	src/actor/Spinner.java
	src/actor/Spinners.java
	src/graphics/Render.java
	src/graphics/Screen.java
Repulsion works
Repulsion works.
Revert "Revert "More indication and permanence (juiciness)""

This reverts commit 5791aa320352194de369d13a51006353032d8a73.
changed .gitignore
Merge branch 'repulse'

Conflicts:
	.gitignore