Squashed commit of the following:

commit d3bd48a5bc4fd706e991f4875cdd80e2e358b2b7
Merge: 7650ca9 ab41e16
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Thu Sep 11 11:06:52 2014 -0400

    Merge branch 'dr-integration-prime' into ENG-6702-2

commit 7650ca955a65c3966ad6dd82ac0e5e83831368cf
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Tue Sep 9 12:17:31 2014 -0400

    For ENG-6702, clean up based on review feedback

commit 01a9c7edf3ffc7209550a0fa6f52573ad5b8d0c6
Merge: 218c546 730b62d
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Mon Sep 8 16:54:23 2014 -0400

    Merge branch 'dr-integration-prime' into ENG-6702-2

commit 218c546e5e0d7018d03463dd0f979846704db7a6
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Mon Sep 8 16:35:13 2014 -0400

    For ENG-6702-2, refactor C++ UniqueId stuff into a helper class

commit cd509760133a3574fbbe6e5a8bce10a7e33ec2f2
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Mon Sep 8 14:00:51 2014 -0400

    For ENG-6702, add a test for Java DR buffer parsing

commit 7393697287af8e9201cfb8cf22f6d1baafe37e4f
Author: Ariel Weisberg <aweisberg@voltdb.com>
Date:   Thu Sep 4 17:24:43 2014 -0400

    For ENG-6702, add a test for the idempotency filter for DR