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/integration/IntegrationRegistry.java

@@ -95,7 +95,8 @@ public enum IntegrationRegistry
 				return node.instance;
 			}
 		}
-		throw new RuntimeException( "integration with " + name.name() + " is disabled." );
+
+		throw new IllegalStateException( "integration with " + name.name() + " is disabled." );
 	}
 
 }