Improved exceptions

Many exceptions got an improvement due to changed class or description or details it is providing.
Is not complete, needs to be done in patches in the regions, where it is needed, since some are just
swallowed.

Removed total usage of pure RuntimeExceptions to 0.

src/main/java/appeng/facade/FacadePart.java

@@ -70,7 +70,7 @@ public class FacadePart implements IFacadePart, IBoxProvider
 	public FacadePart( ItemStack facade, ForgeDirection side )
 	{
 		if( facade == null )
-			throw new RuntimeException( "Facade Part constructed on null item." );
+			throw new IllegalArgumentException( "Facade Part constructed on null item." );
 		this.facade = facade.copy();
 		this.facade.stackSize = 1;
 		this.side = side;