TryGhost/Ghost — pull request #3441 by ErisDS (2014-07-29 10:40:15+00:00)
Title: Improve importer error messaging

closes #3274

- Ensure that validation errors are always handled by moving them into the
importer
- Ensure that db errors are handled consistently across sqlite and mysql
- Change the errors to be output in a table, with a short failure notification
- Add tests for 003 importing bad files