adds category heirarchy with STI
adds transactions and finishes the relations between all models
Merge branch 'master' into develop

Conflicts:
	app/models/user.rb
	db/schema.rb
Merge branch 'master' into develop

Conflicts:
	db/schema.rb
Merge branch 'master' into develop
adds categories from plaid and associates them
Merge branch 'master' into develop

Conflicts:
	db/schema.rb
Merge branch 'master' into develop

Conflicts:
	Gemfile
add date to transactions table
merge in dummy venmo data and sort transactions by date
change ordering of cols in transactions table
initial parsing of venmo transactions completed
Merge branch 'venmo-plaid-merging' into develop
imports all venmo transactions
add date col to transactions for formatted date to compare to Plaid transactions
show venmo note in transaction table
migration for date to transactions
merge develop
monkeypatch titleize method to allow exclusions
category has many transactions