import.py: specific function for prerequisite import
Rename skillparent to itemprereq as we'll get all item prereqs
Fix typo
South: add migration for itemprereq / remove skillparent
Remove unused data
Change prerequisite related models (skills, items)
Add missing method and import
Correct some prerequisite method call
Change import to use the new prerequisite model
Correct some missing changes
Change things to use the new prerequisites
Some reorder
Add EFTParser class
Add route for eft text block parsing
Add eft textblock import functions

fix #5
Merge branch 'skill-prerequisite-to-items' into develop