Make multi_schema mainly hidden

As wiht other schemas - make the multi_backend schema mainly hidden

priv/leveled_multi.schema

@@ -38,7 +38,8 @@
 %% within term_to_binary
 {mapping, "multi_backend.$name.leveled.compression_method", "riak_kv.multi_backend", [
   {default, lz4},
-  {datatype, atom}
+  {datatype, atom},
+  hidden
 ]}.
 
 %% @doc Compression point
@@ -48,7 +49,8 @@
 %% (compression is only attempted when compacting)
 {mapping, "multi_backend.$name.leveled.compression_point", "riak_kv.multi_backend", [
   {default, on_receipt},
-  {datatype, atom}
+  {datatype, atom},
+  hidden
 ]}.
 
 
@@ -56,7 +58,8 @@
 %% Normally keep this as around the size of o(100K) objects.  Default is 500MB
 {mapping, "multi_backend.$name.leveled.journal_size", "riak_kv.multi_backend", [
   {default, 500000000},
-  {datatype, integer}
+  {datatype, integer},
+  hidden
 ]}.
 
 %% @doc The number of journal compactions per vnode per day
@@ -64,7 +67,8 @@
 %% recovered.  But each run has a cost
 {mapping, "multi_backend.$name.leveled.compaction_runs_perday", "riak_kv.multi_backend", [
   {default, 16},
-  {datatype, integer}
+  {datatype, integer},
+  hidden
 ]}.
 
 %% @doc Compaction Low Hour
@@ -73,7 +77,8 @@
 %% regardless of time of day)
 {mapping, "multi_backend.$name.leveled.compaction_low_hour", "riak_kv.multi_backend", [
   {default, 0},
-  {datatype, integer}
+  {datatype, integer},
+  hidden
 ]}.
 
 %% @doc Compaction Top Hour
@@ -82,7 +87,8 @@
 %% hour and top hour (inclusive).  Timings rely on server's view of local time
 {mapping, "multi_backend.$name.leveled.compaction_top_hour", "riak_kv.multi_backend", [
   {default, 23},
-  {datatype, integer}
+  {datatype, integer},
+  hidden
 ]}.
 
 %% @doc Max Journal Files Per Compaction Run
@@ -90,7 +96,8 @@
 %% which may be compacted.
 {mapping, "multi_backend.$name.leveled.max_run_length", "riak_kv.multi_backend", [
   {default, 6},
-  {datatype, integer}
+  {datatype, integer},
+  hidden
 ]}.
 
 %% @doc Target Percentage for Max Run