added SpellIndex and StoryIndex classes to search_index.py; added spell_text.txt and story_text.txt
forgot search_indexes.py
Merge branch 'david-search' of https://github.com/Kae7in/cs373-idb into david-search
Implemented AND/OR search. #357.
Merge branch 'david-search' of github.com:Kae7in/cs373-idb into david-search
Fixed an accidental merge bug.
changed minor styling
Merge branch 'david-search' of https://github.com/Kae7in/cs373-idb into isabella_about

Conflicts:
	hogwarts/marauder/urls.py