Setup search with Haystack (backed by ElasticSearch).
Setup search with Haystack - forgot these files on the last commit.
added get_absolute_url() to all models
trying to get search highlighting to work
forgot to add new file utils.py
Fixed highlighting. #356.
Added PotionIndexes
added ArtifactIndex to search_indexes.py
Added search models for Ingredient and Book
Merge branch 'david-search' of https://github.com/Kae7in/cs373-idb into isabella_search_models

Conflicts:
	hogwarts/marauder/search_indexes.py
added locations; some css formatting
Merge branch 'david-search' of https://github.com/Kae7in/cs373-idb into david-search

Conflicts:
	hogwarts/marauder/search_indexes.py
Added text files
added search glyph; new location search template
Merge pull request #373 from Kae7in/isabella_search_models

Models for Potion, Book, and Ingredients.
fixed errors with potions
Took foreign keys from Book in search_indexes.py
fixed hyperlink result for potions
Merge branch 'david-search' of https://github.com/Kae7in/cs373-idb into david-search
cleaned up some search models