AWS: Updated to spring-integration to 4.0.3

Made the corresponding API changes.

Had to update jacoco to latest (0.7.1.blah) to get the tests to work correctly on OSX Java 8

Fixed JavaDoc errors show up by the Java 8 linter. Build passes

Bringing dependencies inline with Spring 4.0.6

Updated mockito to 1.9.5

Updated Hamcrest to 1.3

Updated aws-sdk to 1.8.7

Merge branch 'master' into integration-4.0

Reformatted gradle file inline with the existing standard

Switch back to using the milestone repo

Upgrade Gradle version to 1.12

Updated the schema references to use un-versioned refs

Updated author tags and copyright dates

AWS: SI-4.0 Polishing