project.py:
- moved related publications and websites from setup page to information/metadata page
- Added placeholder template item to setup page
- Minor fix to layout and description of location schema

Minor fixes to map_sequence.pt and widgets.js that makes the location field in maps work correctly and be more flexible.

Added flash message to template.pt with quick placeholder css in template.css

Added restriction of navigating away from setup page until it validates in workflows.py