Adding wellbeing and life satisfaction

[andrewbaxter439]

Using this to lay out the actions needed to add the following variables to SimPaths:

• dwb_mcs - SF12 Health-related quality of life, Mental Component Summary (Score 0-100)
• dwb_pcs - SF12 Health-related quality of life, Physical Component Summary (Score 0-100)
• dls - Life Satisfaction (Score 1-7)

Elements to add:

• [ ] Include three new variables in code to construct initial populations from UKHLS data

• [ ] Include variable in training data

• [ ] Include regression components for yearly updates

• [ ] Add wellbeing and life satisfaction to Person.java*

• [ ] Add updating processes*

• [ ] Add processes to schedule

• [ ] Add Collector processes

• [ ] Add Observer processes

• [ ] Add unit tests for updating processes?

• These parts may need further discussion on a new object-based structure for person attributes and updaters.