[Ready for review] Redis Client implementation (#1057)

* Added RedisCache to java SDKs
(cherry picked from commit 68a67414c2a288c11ee33886bb23a6311585506d)
* Fixed deserialization bug
* Redis Client implementation
* Regenerated Redis from fixed swagger
* Regenerated Redis with latest AutoRest
* Fixed checkstyle errors
* Regenerated Redis after PatchSchedue model fix in swagger
* Redis Patch Schedule implementation.
* Addressed review comments.
* Fixed review comments.
* Added annotations.
* Moved RedisAccessKeysImpl to package-internal class

.gitignore

@@ -1,5 +1,8 @@
 *.class
 
+#External libs
+extlib/
+
 # Auth files
 *.auth
 *.azureauth

azure-mgmt-redis/pom.xml

@@ -70,6 +70,12 @@
           <artifactId>api-annotations</artifactId>
           <version>0.0.1-SNAPSHOT</version>
         </dependency>
+      <dependency>
+        <groupId>com.microsoft.azure</groupId>
+        <artifactId>azure-mgmt-storage</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <scope>test</scope>
+      </dependency>
     </dependencies>
     <build>
         <plugins>

azure-mgmt-redis/src/main/java/com/microsoft/azure/management/redis/RedisAccessKeys.java

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for
+ * license information.
+ */
+
+package com.microsoft.azure.management.redis;
+
+import com.microsoft.azure.management.apigeneration.LangDefinition;
+
+/**
+ * The {@link RedisCache#keys} action result.
+ */
+@LangDefinition(ContainerName = "~/")
+public interface RedisAccessKeys {
+    /**
+     * @return a primary key value.
+     */
+    String primaryKey();
+
+    /**
+     * @return a secondary key value.
+     */
+    String secondaryKey();
+}