Premium rate is now on the phase rules, not the lending limit
Guarantee rate now comes from rules as well
Remove premium_rate and guarantee_rate from LendingLimit
Type F premium rate is actually 1.3% in Phase 6
Add an extra eligibility question and ensure that it's answered "Yes".
Add not insolvent question to loan entry
Add not_insolvent to loan CSV export
Insolvent question ineligible text
Update the not insolvent question text
Add Type G and H Loan Category
Add repayment durations for G & H categories
Type G and H loans have extra loan entry questions
Type F and G loans have a maximum term of 3 years too
Add Type G & H to CSV headers
Merge pull request #214 from alphagov/phase-6-variable-premium-and-guarantee-rates

(Phase 6) Variable premium and guarantee rates
Merge pull request #215 from alphagov/extra-eligibility-question

(Phase 6) Extra eligibility question
Merge pull request #216 from alphagov/additional-loan-categories

(Phase 6) Additional loan categories
Type E loans now require a sub-category at loan entry

All existing Type E loans have a sub-category of 'Overdrafts'
Type E is now called `Revolving Credit Guarantee`.
Add loan sub-category to reports and exports