Fix navigation controller
Fix basic plumbing, we can now create transactions and goals as well as view both of them
Fix spacing
Support creating transactions with categories
Include basic but more detailed transaction view
Display transactions in sections by date

- Should display in descending order (most recent transactions should be
  grouped first)
Transactions shell working. Haven't plugged in form functionality
Working to spec with model. Not submitting transaction yet
Refactors
Bullshit
Plugged into transactions. Successfully posting to Parse
Got functionality to work again. Not using new categories yet
Got it to work with new categories, submission temp broken