Moving tunnel work in progress...
Movin tunnel done. Moving is done in the 1st quater of the screen.
Adjusted animation speed values
Removing IntDim class, didn't sa that java.awt.Dimension has width and height public
Cleanup & javadoc.
Merge remote-tracking branch 'origin/tunnel-moving' into tunnel

Conflicts:
	src/main/java/rhx/gfx/render/tunnel/Renderer.java
	src/main/java/rhx/gfx/render/tunnel/TunnelRenderer.java
After merge fixes
Merge branch 'tunnel-moving' into tunnel

Conflicts:
	src/main/java/rhx/gfx/render/tunnel/TunnelRenderer.java