Added qualification to the final line in the start page)
Merge pull request #638 from lutgendorff/patch-6

Added qualification to the final line in the start page)
Define contributing guide
Merge branch 'overseas-passport-changes' of github.com:alphagov/smart-answers into overseas-passport-changes
add conditional statement for IPS renewing_new
updating logic, copy and tests for Thailand conditions
update logic, copy and tests for new 'getting your passport' conditions
replace all occurences of HMP Service with HMP Office
remove Kazakhstan and Kyrgyzstan condition from IPS how_long_it_takes
update to use supporting group docs of the birth country is IPS online outcome
remove stuff which is no longer used