3710 Use Creator not Author in error messages for external work creation
Merge pull request #1904 from sarken/issue_3710

3710 Use Creator not Author in error messages for external work creation
4148 Expire work blurb cache so new Creator Chose tag will show
Merge pull request #1905 from sarken/issue_4148

4148 Expire work blurb cache so new Creator Chose tag will show