Squashed batch export link fix

commit 8cf3871535cad17255290d1426215fc563c7919d
Author: Jain Waldrip <jkwaldri@iu.edu>
Date:   Tue May 20 10:42:40 2014 -0400

    Update link expectations on batch export spec

    Expect download link to always point to the file to be downloaded.

commit e792b45317ced45d0c7b8858dd4f59630bb8f8fb
Author: Jain Waldrip <jkwaldri@iu.edu>
Date:   Tue May 20 10:39:52 2014 -0400

    Update batch process shared methods