Reverts documentation back to saying 100ms as base retry delay. Updat…

…es retry delay util function to use default 100ms base retry delay.

lib/config.js

@@ -100,7 +100,7 @@ require('./credentials/credential_provider_chain');
  *     Currently supported options are:
  *
  *     * **base** [Integer] — The base number of milliseconds to use in the
- *       exponential backoff for operation retries. Defaults to 30 ms.
+ *       exponential backoff for operation retries. Defaults to 100 ms.
  *     * **customBackoff ** [function] — A custom function that accepts a retry count
  *       and returns the amount of time to delay in milliseconds. The `base` option will be
  *       ignored if this option is supplied.

lib/credentials/ec2_metadata_credentials.js

@@ -18,7 +18,7 @@ require('../metadata_service');
  * AWS.config.credentials = new AWS.EC2MetadataCredentials({
  *   httpOptions: { timeout: 5000 }, // 5 second timeout
  *   maxRetries: 10, // retry 10 times
- *   retryDelayOptions: { base: 30 } // see AWS.Config for information
+ *   retryDelayOptions: { base: 200 } // see AWS.Config for information
  * });
  * ```
  *

lib/credentials/ecs_credentials.js

@@ -17,7 +17,7 @@ var AWS = require('../core');
  * AWS.config.credentials = new AWS.ECSCredentials({
  *   httpOptions: { timeout: 5000 }, // 5 second timeout
  *   maxRetries: 10, // retry 10 times
- *   retryDelayOptions: { base: 30 } // see AWS.Config for information
+ *   retryDelayOptions: { base: 200 } // see AWS.Config for information
  * });
  * ```
  *

lib/util.js

@@ -804,7 +804,7 @@ var util = {
     if (typeof customBackoff === 'function') {
       return customBackoff(retryCount);
     }
-    var base = retryDelayOptions.base || 30;
+    var base = retryDelayOptions.base || 100;
     var delay = Math.random() * (Math.pow(2, retryCount) * base);
     return delay;
   },