Added 4 View Cell Slots.

Multiple View Cells now sum together to allow more customization.
View Cells are now protected by Build Security.
Meteorite Compass now renders correctly in other peoples hands.

container/AEBaseContainer.java

@@ -70,6 +70,11 @@ public abstract class AEBaseContainer extends Container
 			return;
 
 		ticksSinceCheck = 0;
+		isContainerValid = isContainerValid && hasAccess( security, requirePower );
+	}
+
+	protected boolean hasAccess(SecurityPermissions perm, boolean requirePower)
+	{
 		IActionHost host = null;
 
 		if ( tileEntity instanceof IActionHost )
@@ -77,11 +82,7 @@ public abstract class AEBaseContainer extends Container
 		if ( part instanceof IActionHost )
 			host = (IActionHost) part;
 
-		if ( host == null )
-		{
-			isContainerValid = false;
-		}
-		else
+		if ( host != null )
 		{
 			IGridNode gn = host.getActionableNode();
 			if ( gn != null )
@@ -93,18 +94,17 @@ public abstract class AEBaseContainer extends Container
 					{
 						IEnergyGrid eg = g.getCache( IEnergyGrid.class );
 						if ( !eg.isNetworkPowered() )
-						{
-							isContainerValid = false;
-							return;
-						}
+							return false;
 					}
 
 					ISecurityGrid sg = g.getCache( ISecurityGrid.class );
-					if ( !sg.hasPermission( invPlayer.player, security ) )
-						isContainerValid = false;
+					if ( sg.hasPermission( invPlayer.player, perm ) )
+						return true;
 				}
 			}
 		}
+
+		return false;
 	}
 
 	public ContainerOpenContext openContext;