added option to indicate complicated/unclear rights
Merge branch 'yaml-syntax-fix' into probable-rights
changed wording around rights statements & associated metadata

fixes #594
added some more explanation about legal risks of using data
better distinction between rights in data & rights in content
fixed conditions on new requirements
changed flow of questionnaire around requirements when there are no rights in data content
Merge branch 'probable-rights' into questionnaire-tweaks
Generalised question about service documentation to ask about technical documentation

fixes #6
changed metadata requirement from license to rights

fixes #7 to the extent it will be fixed
added help and reference out to guide re community engagement team

fixes #145
changed requests for emails to requests for urls/documentation

fixes #334
added "machine-readable" in relevant requirements

fixes #359
clarified wording of 'summary' option

fixes #388
fixed wording on anonymisation through aggregation answer

fixes #388
modified questions about service availability

fixes #617
changed question around data being on website

fixes #620
US version of certificates

Adds a question about whether the data is created by the US government,
and modifies further questions if it is.
fixed bad coding on requirement level
Merge branch 'questionnaire-tweaks' into us-certificate