change some more comments and revert changes on TableSchema

src/rpc/membership.rs

@@ -417,8 +417,8 @@ impl System {
 				}
 			} else if let Some(id) = id_option {
 				if let Some(st) = status.nodes.get_mut(id) {
-					// TODO this might double-increment the value as the counter is already
-					// incremented for any kind of failure in rpc_client
+					// we need to increment failure counter as call was done using by_addr so the
+					// counter was not auto-incremented
 					st.num_failures.fetch_add(1, Ordering::SeqCst);
 					if !st.is_up() {
 						warn!("Node {:?} seems to be down.", id);

src/rpc/ring.rs

@@ -28,7 +28,7 @@ const PARTITION_MASK_U16: u16 = ((1 << PARTITION_BITS) - 1) << (16 - PARTITION_B
 /// The maximum number of time an object might get replicated
 pub const MAX_REPLICATION: usize = 3;
 
-/// The versionned configurations of all nodes known in the network
+/// The user-defined configuration of the cluster's nodes
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct NetworkConfig {
 	/// Map of each node's id to it's configuration