Task #38 My Temperature: save data

- BPSymptom: entity for symptoms and mood
- BPSymptom+Additions: fetch all symptoms sorted by position
- BPAppDelegate: seed database
Task #31 My Temperature: Symptoms And Mood

- BPViewController: make titleLabel public
- BPMyTemperatureControlsViewController: set date for
BPMyTemperatureSymptomsAndMoodViewController
- BPMyTemperatureSymptomsAndMoodViewController: fix titleLabel frame,
save symptoms to database