AMBARI-7797. All letters in "Yarn" should be capital at Download Client Configs drop-down (dlysnichenko)

ambari-server/src/main/resources/stacks/BIGTOP/0.8/services/YARN/metainfo.xml

@@ -85,7 +85,7 @@
 
         <component>
           <name>YARN_CLIENT</name>
-          <displayName>Yarn Client</displayName>
+          <displayName>YARN Client</displayName>
           <category>CLIENT</category>
           <cardinality>1+</cardinality>
           <commandScript>

ambari-server/src/main/resources/stacks/HDP/2.0.6/services/YARN/metainfo.xml

@@ -73,7 +73,7 @@
 
         <component>
           <name>YARN_CLIENT</name>
-          <displayName>Yarn Client</displayName>
+          <displayName>YARN Client</displayName>
           <category>CLIENT</category>
           <cardinality>1+</cardinality>
           <commandScript>

ambari-server/src/test/python/stacks/2.1/common/services.json

@@ -980,7 +980,7 @@
         "component_category" : "CLIENT",
         "component_name" : "YARN_CLIENT",
         "custom_commands" : [ ],
-        "display_name" : "Yarn Client",
+        "display_name" : "YARN Client",
         "is_client" : true,
         "is_master" : false,
         "service_name" : "YARN",
@@ -1033,4 +1033,4 @@
     } ]
   } ],
   "configurations" : { }
-}
+}

ambari-server/src/test/resources/stacks/HDP/2.0.6/services/YARN/metainfo.xml

@@ -72,7 +72,7 @@
         </component>
         <component>
           <name>YARN_CLIENT</name>
-          <displayName>Yarn Client</displayName>
+          <displayName>YARN Client</displayName>
           <category>CLIENT</category>
           <deleted>true</deleted>
           <cardinality>0+</cardinality>