seratch/AWScala — pull request #46 by tanacasino (2014-10-17 12:14:10+00:00)
Title: AWSSessionCredentials support

AWS allows to use session credentials with keys and session token.
But AWScala ignores AWSSessionCredentials, so i got this error.

```
Exception in thread "main" com.amazonaws.services.s3.model.AmazonS3Exception: The AWS Access Key Id you provided does not exist in our records. (Service: Amazon S3; Status Code: 403; Error Code: InvalidAccessKeyId; Request ID: XXXXX), S3 Extended Request ID: XXXXXX
at com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:937)
at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:506)
at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:273)
at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3660)
at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3612)
at com.amazonaws.services.s3.AmazonS3Client.listBuckets(AmazonS3Client.java:672)
at com.amazonaws.services.s3.AmazonS3Client.listBuckets(AmazonS3Client.java:680)
at awscala.s3.S3$class.buckets(S3.scala:38)
at awscala.s3.S3Client.buckets(S3.scala:239)
at com.github.tanacasino.app.App$.main(App.scala:16)
at com.github.tanacasino.app.App.main(App.scala)

```