Update swordappv2 library

Pull in changes that add summary & verbose error message to SWORDAppErrorDocument. Not required by the Dataverse plugin but nice to have.
Merge pull request #105 from jwhitney/ojs-stable-2_4

Update swordappv2 library
Fix bad redirect for missing/invalid announcement.

Was page=null, op=announcement; should be page=announcement, op=null.
Merge pull request #106 from ulsdevteam/fix-bad-announcement-redirect

*6395* Fix bad announcement redirect
Add option to toggle creation of new notification when creating/editing an announcement.  Set default to TRUE when creating, FALSE when editing
Merge branch 'add-announcement-notification-option' of https://github.com/ulsdevteam/pkp-lib into uls-install
Merge branch 'ojs-stable-2_4' of https://github.com/pkp/pkp-lib into uls-install