Fixed coumentation

InstallationSteps.txt

@@ -87,11 +87,11 @@ c. Using DGI
   {"Version":"v0.1"}
 
 * List the types in the repository
-  curl -v http://localhost:21000/api/metadata/types/list
+  curl -v http://localhost:21000/api/metadata/types
   {"list":["biginteger","short","byte","int","string","bigdecimal","boolean","date","double","long","float"],"requestId":"902580786@qtp-1479771328-0"}
 
 * List the instances for a given type
-  curl -v http://localhost:21000/api/metadata/entities/list/hive_table
+  curl -v http://localhost:21000/api/metadata/entities?type=hive_table
   {"requestId":"788558007@qtp-44808654-5","list":["cb9b5513-c672-42cb-8477-b8f3e537a162","ec985719-a794-4c98-b98f-0509bd23aac0","48998f81-f1d3-45a2-989a-223af5c1ed6e","a54b386e-c759-4651-8779-a099294244c4"]}
 
   curl -v http://localhost:21000/api/metadata/entities/list/hive_db

client/src/main/java/org/apache/hadoop/metadata/MetadataServiceClient.java

@@ -69,7 +69,7 @@ public class MetadataServiceClient {
         CREATE_ENTITY(BASE_URI + URI_ENTITIES, HttpMethod.POST),
         GET_ENTITY(BASE_URI + URI_ENTITIES, HttpMethod.GET),
         UPDATE_ENTITY(BASE_URI + URI_ENTITIES, HttpMethod.PUT),
-        LIST_ENTITY(BASE_URI + URI_ENTITIES, HttpMethod.GET),
+        LIST_ENTITY(BASE_URI + URI_ENTITIES + "?type=", HttpMethod.GET),
 
         //Trait operations
         ADD_TRAITS(BASE_URI + URI_TRAITS, HttpMethod.POST),