Removed and moved files
Fixed most unit tests
Merge branch 'master' of github.com:Wordseer/wordseer_flask into consolidated-unit-tests
Commented profiling code to not break unit tests
Updated Log model
Updated unit tests to fix last exception
leftover changes from yesterday (gitignore db and core option changes)
Merge branch 'master' of github.com:Wordseer/wordseer_flask
Removed old models; added some attributes to new models.
First round of unit test bugfixes
Renamed grammatical_relationship to something better
Added ParsedParagraph. ParsedProducts, GrammaticalRelationship to __init__.py
Changed relationships and __repr__ of Dependency.

Added ParsedParagraph and ParseProducts to Dependency
Fixed issue where Dependency couldn't be printed if governor or dependent didn't exist
Fixed typo
Removed temp method in Document.
Added a __repr__ method to GrammaticalRelationship.
Added ParsedParagraph and ParseProducts models
Added ParsedParagraph and ParseProducts relationships to Sentence, Word, and Property
Added title to Unit, like in the pipeline
Structure extractor tests passing.
Words are now compared by their non-primary keys