add since annotation for recently added apis

apollo-client/src/main/java/com/ctrip/framework/apollo/Config.java

@@ -176,6 +176,8 @@ public interface Config {
    *
    * @param listener the config change listener
    * @param interestedKeys the keys interested by the listener
+   *
+   * @since 1.0.0
    */
   public void addChangeListener(ConfigChangeListener listener, Set<String> interestedKeys);
 
@@ -184,6 +186,8 @@ public interface Config {
    *
    * @param listener the specific config change listener to remove
    * @return true if the specific config change listener is found and removed
+   *
+   * @since 1.1.0
    */
   public boolean removeChangeListener(ConfigChangeListener listener);
 
@@ -202,6 +206,8 @@ public interface Config {
    * @param defaultValue the default value when key is not found or any error occurred
    * @param <T>          user-defined type
    * @return the property value
+   *
+   * @since 1.1.0
    */
   public <T> T getProperty(String key, Function<String, T> function, T defaultValue);
 
@@ -209,6 +215,8 @@ public interface Config {
    * Return the config's source type, i.e. where is the config loaded from
    *
    * @return the config's source type
+   *
+   * @since 1.1.0
    */
   public ConfigSourceType getSourceType();
 }

apollo-client/src/main/java/com/ctrip/framework/apollo/enums/ConfigSourceType.java

@@ -2,6 +2,8 @@ package com.ctrip.framework.apollo.enums;
 
 /**
  * To indicate the config's source type, i.e. where is the config loaded from
+ *
+ * @since 1.1.0
  */
 public enum ConfigSourceType {
   REMOTE("Loaded from remote config service"), LOCAL("Loaded from local cache"), NONE("Load failed");

apollo-core/src/main/java/com/ctrip/framework/apollo/core/spi/MetaServerProvider.java

@@ -2,6 +2,9 @@ package com.ctrip.framework.apollo.core.spi;
 
 import com.ctrip.framework.apollo.core.enums.Env;
 
+/**
+ * @since 1.0.0
+ */
 public interface MetaServerProvider extends Ordered {
 
   /**

apollo-core/src/main/java/com/ctrip/framework/apollo/core/spi/Ordered.java

@@ -7,6 +7,8 @@ package com.ctrip.framework.apollo.core.spi;
  * <p>The actual {@link #getOrder() order} can be interpreted as prioritization,
  * with the first object (with the lowest order value) having the highest
  * priority.
+ *
+ * @since 1.0.0
  */
 public interface Ordered {
   /**