Add 10th Anniversary image/ribbon, fixes KB-579
Merge pull request #21 from osulibraries/osukb

Rebasing 10th anniversary on top of osukb
Add defaults to dspace.cfg so that there is an assetstore.1, build profile can set all this.

Only dev will use incoming=1, prod,staging=0
KB-579 Ribbon for 10th anniversary goes to go link.
Merge pull request #22 from osulibraries/10th-anniversary

10th anniversary