Changes demo files; revised readme.md
Modifies insert_worm.py to use FuXi

Readme.md updated, demo simplified
Merge branch 'alpha0.5' of https://github.com/travs/PyOpenWorm into travs-alpha0.5
Removed some dead-code in insert_worm.py
Merge remote-tracking branch 'local/travs-alpha0.5' into travis-alpha0.5

Conflicts:
	insert_worm.py
Removing load_database.py (moved to PyOpenWorm.loadData)
Un-pinning rdflib and Pint dependencies

- Making DataUser.rdf set-able