Add unit test about camel-bindy @FixedLength using @Link

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1476524 13f79535-47bb-0310-9956-ffa450edef68
Replaced the deprecated BlobStoreContextFactory usage with the new ContextBuilder API.

git-svn-id: https://svn.apache.org/repos/asf/camel/trunk@1476525 13f79535-47bb-0310-9956-ffa450edef68