JCR-3651 S3 Datastore implementation.

This is the Amazon Webservices Extension component of the Apache Jackrabbit project.
This component contains S3 Datastore which stores binaries on Amazon S3 (http://aws.amazon.com/s3).

To run testcases which stores in S3 bucket pass  pass aws config file via system property. For e.g.

    mvn clean install -Dconfig=/opt/cq/aws.properties

Sample aws properties located at src/test/resources/aws.properties.

It require to configure aws.properties to configure S3 Datastore.
   <DataStore class="org.apache.jackrabbit.aws.ext.ds.S3DataStore">
       <param name="config" value="${rep.home}/aws.properties"/>
       <param name="secret" value="123456789"/>
   </DataStore>

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Test set: org.apache.jackrabbit.aws.ext.TestAll
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Tests run: 47, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 39.013 sec