Bug 5780 - Export the URI as part of a RIS export

Bug 5780 - Export the URI as part of a RIS export

Squashed commit of the following:

commit 8486cd30caf879ddff93aaa5fab722838db946a1
Author: Chris Cormack <chrisc@catalyst.net.nz>
Date:   Mon Feb 21 10:23:07 2011 +1300

    WR76962 - Fixing typos

commit f3ac9d9233db2b410fded112e16e54b27280af0a
Author: Chris Cormack <chrisc@catalyst.net.nz>
Date:   Mon Feb 21 09:56:43 2011 +1300

    WR76962 - Extending RIS support to handle URI

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Ian Walls <ian.walls@bywatersolutions.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>