[DOCS] Tidied up cluster settings docs

docs/reference/modules/cluster.asciidoc

@@ -12,70 +12,57 @@ handling nodes being added or removed.
 The following settings may be used:
 
 `cluster.routing.allocation.allow_rebalance`::
-        Allow to control when rebalancing will happen based on the total 
-        state of all the indices shards in the cluster. `always`, 
-        `indices_primaries_active`, and `indices_all_active` are allowed, 
-        defaulting to `indices_all_active` to reduce chatter during 
+        Allow to control when rebalancing will happen based on the total
+        state of all the indices shards in the cluster. `always`,
+        `indices_primaries_active`, and `indices_all_active` are allowed,
+        defaulting to `indices_all_active` to reduce chatter during
         initial recovery.
 
 
 `cluster.routing.allocation.cluster_concurrent_rebalance`::
-      Allow to control how many concurrent rebalancing of shards are 
+      Allow to control how many concurrent rebalancing of shards are
       allowed cluster wide, and default it to `2`.
 
 
 `cluster.routing.allocation.node_initial_primaries_recoveries`::
-       Allow to control specifically the number of initial recoveries 
-       of primaries that are allowed per node. Since most times local 
-       gateway is used, those should be fast and we can handle more of 
+       Allow to control specifically the number of initial recoveries
+       of primaries that are allowed per node. Since most times local
+       gateway is used, those should be fast and we can handle more of
        those per node without creating load.
 
 
 `cluster.routing.allocation.node_concurrent_recoveries`::
-     How many concurrent recoveries are allowed to happen on a node. 
+     How many concurrent recoveries are allowed to happen on a node.
      Defaults to `2`.
 
-added[1.0.0.RC1]
-
 `cluster.routing.allocation.enable`::
     Controls shard allocation for all indices, by allowing specific
-    kinds of shard to be allocated. Can be set to:
+    kinds of shard to be allocated.
+    added[1.0.0.RC1,Replaces `cluster.routing.allocation.disable*`]
+    Can be set to:
     * `all` (default) - Allows shard allocation for all kinds of shards.
     * `primaries` - Allows shard allocation only for primary shards.
     * `new_primaries` - Allows shard allocation only for primary shards for new indices.
     * `none` - No shard allocations of any kind are allowed for all indices.
 
 `cluster.routing.allocation.disable_new_allocation`::
-       Allows to disable new primary allocations. Note, this will prevent 
-       allocations for newly created indices. This setting really make 
-       sense when dynamically updating it using the cluster update 
-       settings API. This setting has been deprecated in favour
-       for `cluster.routing.allocation.enable`.
-
+    deprecated[1.0.0.RC1,Replaced by `cluster.routing.allocation.enable`]
 
 `cluster.routing.allocation.disable_allocation`::
-        Allows to disable either primary or replica allocation (does not 
-        apply to newly created primaries, see `disable_new_allocation` 
-        above). Note, a replica will still be promoted to primary if 
-        one does not exist. This setting really make sense when 
-        dynamically updating it using the cluster update settings API.
-        This setting has been deprecated in favour for `cluster.routing.allocation.enable`.
+    deprecated[1.0.0.RC1,Replaced by `cluster.routing.allocation.enable`]
 
 
 `cluster.routing.allocation.disable_replica_allocation`::
-      Allows to disable only replica allocation. Similar to the previous 
-      setting, mainly make sense when using it dynamically using the 
-      cluster update settings API. This setting has been deprecated in
-      favour for `cluster.routing.allocation.enable`.
+    deprecated[1.0.0.RC1,Replaced by `cluster.routing.allocation.enable`]
 
 `cluster.routing.allocation.same_shard.host`::
       Prevents that multiple instances of the same shard are allocated
-      on a single host. Defaults to `false`. This setting only applies 
+      on a single host. Defaults to `false`. This setting only applies
       if multiple nodes are started on the same machine.
 
 `indices.recovery.concurrent_streams`::
-       The number of streams to open (on a *node* level) to recover a 
-       shard from a peer shard. Defaults to `3`. 
+       The number of streams to open (on a *node* level) to recover a
+       shard from a peer shard. Defaults to `3`.
 
 [float]
 [[allocation-awareness]]
@@ -182,8 +169,8 @@ set to `value1` and `value2` by setting
 [source,js]
 --------------------------------------------------
 curl -XPUT localhost:9200/test/_settings -d '{
-      "index.routing.allocation.include.tag" : "value1,value2" 
-}' 
+      "index.routing.allocation.include.tag" : "value1,value2"
+}'
 --------------------------------------------------
 
 On the other hand, we can create an index that will be deployed on all
@@ -193,11 +180,11 @@ nodes except for nodes with a `tag` of value `value3` by setting
 [source,js]
 --------------------------------------------------
 curl -XPUT localhost:9200/test/_settings -d '{
-      "index.routing.allocation.exclude.tag" : "value3" 
-}' 
+      "index.routing.allocation.exclude.tag" : "value3"
+}'
 --------------------------------------------------
 
-`index.routing.allocation.require.*` can be used to 
+`index.routing.allocation.require.*` can be used to
 specify a number of rules, all of which MUST match in order for a shard
 to be  allocated to a node. This is in contrast to `include` which will
 include a node if ANY rule matches.
@@ -229,7 +216,7 @@ curl -XPUT localhost:9200/test/_settings -d '{
     "index.routing.allocation.include.group2" : "yyy",
     "index.routing.allocation.exclude.group3" : "zzz",
     "index.routing.allocation.require.group4" : "aaa"
-}' 
+}'
 --------------------------------------------------
 
 The provided settings can also be updated in real time using the update
@@ -246,6 +233,6 @@ address:
 curl -XPUT localhost:9200/_cluster/settings -d '{
     "transient" : {
         "cluster.routing.allocation.exclude._ip" : "10.0.0.1"
-    } 
-}' 
+    }
+}'
 --------------------------------------------------